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Archived Design Memos

Archived Design Memos

Archived Design Memos

Updated 9/21/26


Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
25-16 8/13/25 Pavement Type Selection Process 601‑5.01(03), 602‑2.0, 606‑1.0  
25-15 7/15/25 Bridge Deck Overlay 17‑5.12[Add.], 412‑3.02,
Figs. 17‑5M[Add.], 412‑3C
 
25-14 5/7/25 CAD Workspace Updates N/A  
25-13 5/7/25 2025 INDOT Standard Drawings N/A  
25-12 Rev. 4/16/25
rev. 5/7/25
Plan Revisions after Ready for Contracts 14‑1.02(04), 14‑1.02(06), 14‑1.02(07),
Figs. 14‑1O[Add.], 14‑1P[Add.], 14‑1Q[Add.]
 
25-11 4/16/25 Lean Concrete Base 17‑5.09(02), 603‑3.01, 604‑2.03  
25-09 4/16/25 Rewrite Chapter 43 Horizontal Alignment Chapter 43 (all sections), 48‑4.01(06),
48‑5.03(01), 48‑5.03(02)
 
25-08 3/25/25 Life-Cycle Pavement Cost Analysis Update 602‑2.0, 606‑1.0, 606‑2.05,
606‑3.01, 606‑3.02
 
25-06 2/13/25 Prestressing Strands 406‑10.0, 406‑12.02(03)  
25-05 2/13/25 Reinforcing Bar Support Devices 406‑12.03(03),
Fig. 405‑3D, Fig. 405‑3E, Fig. 406‑12D[Add.]
 
25-04 2/13/25 NEXT Beams 406‑12.02(01),
Fig. 406‑14BB, Fig. 406‑14DD
 
25-01 1/21/25 IHCP Exception Requests N/A 26-22
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
24-17 12/4/24 Liquid Asphalt Sealant Figs. 602-3A thru 602‑3D, 602‑3G, 602‑3H, 602‑3J  
24-15 11/6/24 FHWA-Indiana PS&E Checklist 14‑2.01(13), 14‑2.03(10), 14‑2.04(09), 14‑2.05(05),
14‑2.06(03), 14‑2.07(03), 14‑2.08(03)
 
24-14 9/11/24 Pavement Ledge Width Figs. 405‑3F, 406‑16E, 406‑16L, 406‑16S, 409‑2D, 409‑3D  
24-13 9/11/24 Integral End Bent Details 409‑2.04(03), Figs. 409‑2C[Del.], 409‑2D  
24-12 Rev. 9/11/24
rev. 10/11/24
Semi-Integral End Bent Details 409‑3.03, Figs. 409‑3A, 409‑3B  
24-11 8/14/24 Preliminary Geometrics Review for Non-Conventional Intersections 14‑2.01(03)  
24-09 8/14/24 Buy America Certification Procedures for Utilities and Railroads 104‑2.02, 104‑2.02(01)[Add.], 104‑2.02(02)[Add.],
105‑1.04(03), 105‑1.04(04)
 
24-08 6/19/24 MOT on High-Volume Interstate Highways N/A 26-22
24-07 5/14/24 2024 INDOT Standard Drawings N/A  
24-06 4/11/24 IHCP Contract Documents N/A  
24-04 4/11/24 Pavement Design Process 601‑4.0, Figs. 601‑4A thru 4F[Del.], 601‑5.0, 601‑5.01, 601‑5.01(01), 601‑5.01(02), 601‑5.01(03), 601‑5.01(04), 601‑6.0, 604‑1.01, 604‑1.04, 604‑1.05, 604‑2.01, 604‑2.02, 604‑2.03, 604‑2.08, Figs. 601‑5A, 602‑3EE, 604‑2A thru 2F[Add.], Editable Doc. 601‑6.0.2, Pavement Design Request Form  
24-03 2/12/24 Waterproofing Membrane and Partial Coating Limits 407‑2.01(03), Fig. 407‑2A[Del.]  
24-02 1/9/24 Lightweight Concrete, Threaded Tie Bar Assemblies, and Concrete Cover 405‑2.07(06)[Add.], 405‑3.13[Del.],
Figs. 405‑1A, 405‑2C, 405‑2AA, 405‑3E
 
24-01 1/9/24 Subgrade Treatment 603-4.0  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
23-20 11/15/23 Extended Pile Bents and Wall Pier on Single Row of Piles 409‑6.01(01), 409‑6.03(05), 409‑6.04(01), 409‑6.04(02), 409‑6.04(04), Figs. 409‑6B, 409‑6C  
23-19 11/15/23 Joint Probability Analysis Fig. 203‑2G  
23-18 Rev. 11/15/23
rev. 3/12/24
Survey Requirements Chapter 26  
23-15 10/16/23 Build America, Buy America 104‑2.02  
23-14 10/16/23 Foundation Review Procedure 408‑1.06(02), Figs. 408‑3A, 408‑3B, 408‑1B[Del.], Editable Docs. 408‑1B‑LRFD, 408‑1C‑LRFD[Add.]  
23-13 9/14/23 Hydraulic Reviews and Replacement-In-Kind 201‑1.02, 203‑2.02, 203‑2.08[Add.]  
23-12 9/14/23 Design Exceptions 14‑2.01(03), 40‑6.01(08), 40‑8.02, 40‑8.03  
23-11 9/14/23 Payment for Elastomeric Bearing Assemblies 409-7.03(01)  
23-09 7/19/23 Standard Drawings N/A  
23-06 6/19/23 Cross Slope Correction 54‑3.03(01), 55‑4.05(04), 56‑4.04(03), 603‑2.04, 607‑1.0  
23-05 6/14/23 Standardized Elastomeric Bearing Revisions 409‑7.03(03), 409‑7.04, Figs. 409‑7A thru 7E  
23-04 Rev. 5/12/23
rev. 5/30/23
Chapter 503 Revisions 503‑1.0, 503‑2.0, 503‑2.01, 503‑2.02, 503‑2.02(01), 503‑2.02(02), 503‑2.04, 503‑2.04(01) thru (04), 503‑2.05(01) thru (05), 503‑2.06(01), 503‑2.07, 503‑3.01(01), 503‑3.01(03), 503‑3.01(04), 503‑3.02, 503‑3.04, 503‑3.04(02) thru (04), 503‑3.05(02), 503‑3.05(04), 503‑3.05(07), 503‑4.01, 503‑4.02, 503‑6.01, 503‑7.01(02), 503‑701(03), 503‑7.01(05), 503‑7.02, 503‑7.02(01), 503‑7.02(04), 503‑7.02(05), 503‑7.03(01), 503‑7.04(02), 503‑7.05, 503‑7.07, 503‑7.07(01) thru (04)[Add.], Figs. 503‑3G & 3H[Add.], Applicable MOT Editable Docs.  
23-03 5/12/23 Stormwater Management 14‑2.01(07), 14‑2.03(03), 14‑2.03(10), 14‑2.04(06), 14‑2.05(03) , 14‑2.05(05), 17‑6.02, 17‑6.03, 17‑6.04, 205‑4.0  
23-02 5/12/23 Void Reducing Asphalt Membrane for Asphalt Paving 602‑3.02 25-10
23-01 1/5/23 Outlet Protection 203‑2.02(15), Fig. 203‑2D  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
22-25 12/19/22 Infrastructure Investment and Jobs Act - Build America, Buy America N/A  
22-24 Rev. 12/19/22
rev. 2/8/23
Cutoff Walls for Box Culverts 203‑2.03(04)  
22-23 11/10/22 Engineering Assessment Manual Revisions N/A  
22-22 11/10/22 Post-construction Stormwater Management Ch. 204 26-01
22-21 10/7/22 Deck Pour Sequence for Prestressed Beam Superstructures 404‑2.06(02), Fig. 404‑2F  
22-20 10/6/22 Surface Seal for Concrete Structural Members 17‑5.01(03)  
22-19 9/13/22 Welded Wire Reinforcement (WWR), Lightweight Concrete, and Continuity for Prestressed Beams 406‑4.02, 406‑4.03, 406‑4.04, 406‑5.01, 406‑10.0, 406‑12.02(01), 406‑12.02(02), 406‑12.02(03), 406‑12.03(01), 406‑12.03(03), 406‑12.04(02), 406‑12.05, 406‑12.06, 406‑12.08, 406‑12.09, Figs. 406‑12B[Del.], 406‑12C[Add.], 406‑13A thru 13D[Rev.], 406‑14A thru 406‑14Z[Del.], Add. Figs. 406‑14AA thru 406‑14EE  
22-18 9/13/22 Chemical Anchors for Post-Installed Reinforcement 412‑3.01(08), 412‑3.03(02), Fig. 412‑3B[Del.]  
22-16 8/04/22 Intelligent Transportation Systems (ITS) Update 502‑5.0, Del. Figs. 502‑5A thru 502‑5F  
22-15 7/26/22 INDOT 2022 Standard Drawings N/A  
22-14 7/15/22 Liquid Asphalt Sealant for Milled HMA Corrugations N/A 24-17
22-13 7/7/22 Working Drawings for Precast 3-sided Structures and Box Culverts N/A  
22-12 7/7/22 Subgrade Treatment for Full Depth Patching 603‑3.01, 603‑3.04  
22-11 7/7/22 Pre-Bid Meeting Information N/A  
22-10 7/7/22 INDOT Lighting Policy 502‑4.01(03), 502‑4.01(04), 502‑4.02,
Delete Sections 502‑4.02(01) thru (14)
 
22-09 6/6/22 Revisions to Reinforced-Concrete Structure 405‑1.02 thru 405‑1.07, 405‑2.0 thru 2.05, 405‑2.06(01), 405‑2.06(03), 405‑2.07(01) thru (04), 405‑2.08 thru 2.10, 405‑2.11 thru 2.13, 405‑3.0 thru 3.01(05), 405‑3.02 thru 3.14, Figs. 405‑1A, 405‑1B, 401‑1C, 405‑2C, Delete Figs. 405‑2D thru 2Y and 405‑3C
22-08 4/20/22 Revisions to Hydraulics Submittal Process and Editable Documents 203‑2.04(04), 203‑3.06, Figs. 203‑2L, 203‑3C[Del.]  
22-07 4/20/22 Letting Preparation Schedule N/A  
22-06 4/20/22 Revisions to Maintenance of Traffic Standards N/A  
22-04 2/09/22 Payment Revisions of Construction-Zone Energy-Absorbing Terminals and Temporary Traffic Barriers 17‑4.13  
22-03 1/21/22 Pavement Design for Small Structure and Bridge Projects 601‑5.03[Add.], 601‑6.0, 605‑1.09 thru 1.13[Del.],
17‑5.09(01), Fig. 601‑5C[Add.]
 
22-02 1/21/22 Life-Cycle Pavment Cost Analysis (LCPCA) Update 601-5.01(04), 606-1.0, 606-2.02, 606-2.04,
606-2.06, 606-3.01, 606-3.02
 
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
21-25 12/30/21 Mechanically Stabilized Earth (MSE) Walls 14‑2.01(07), 14‑2.01(12), 14‑2.04(06), 14‑2.04(09), 14‑2.05(05), 402‑6.02(02), 410‑5.01(06), Figs. 17‑5C, 409‑2G, 410‑5(O)C, Editable Doc. MSE Wall Design Review Checklist  
21-24 12/9/21 Pavement Markings 502‑2.01(03)[Add.], 502‑2.01(04) thru (08), 502‑2.02(01) thru (04), 502‑2.02(06) thru 502‑2.02(07), 502‑2.02(12), 502‑2.02(16), 502‑2.02(17), 502‑2.02(21), 502‑2.06(04), 502‑2.06(05), 502‑2.09(02), 502‑2.09(03), 502‑2.10, 502‑2.11, Figs. 502‑2A thru 2D, 502‑2Q  
21-23 9/28/21 Letting Preparation Schedule N/A  
21-22 9/14/21 Pay Item Revision of Geotextile for Subgrade N/A  
21-21 11/2/21 Bridge Preventive Maintenance Criteria Fig. 412‑1A  
21-20 9/9/21 Spray Paver Use with HMA/SMA 17‑4.01(01), 607‑1.04, 607‑1.05, Fig. 17‑4A  
21-19 9/9/21 Historic Bridge Review Submittals 14‑2.01(09), 14‑2.05, 14‑2.05(03) thru (07), 412‑5.01(02), 412‑5.02  
21-17 6/17/21 Indiana Design Manual Updates for Unique Special Provisions 14‑1.02, 14‑2.01, 14‑2.03 thru 2.08, 19‑2.01, 19‑2.03, 19‑3.02, 19‑3.02(01) thru (04), Figs. 14‑1K, 14‑1L[Del.], 19‑3D  
21-16 6/17/21 Prestressed-Concrete Structure 406‑4.02, 406‑4.02(01), 406‑5.02, 406‑5.05, 406‑6.0, 406‑7.0, 406‑7.01 thru 7.04, 406‑8.01, 406‑8.02, 406‑9.01 thru 9.03, 406‑10.0, 406‑11.0, 406‑12.01, 406‑12.03(02), 406‑12.03(03), 406‑12.05, 406‑12.06  
21-15 4/12/21 INDOT 2021 Standard Drawings N/A  
21-14 4/12/21 Preformed Expansion Joint Filler 409‑7.06, 410‑5.01(07), Figs. 406‑16(A, B, H, I, O, P & R), 409‑2(B, C, D, G), 409‑3(A, B & D)  
21-13 4/12/21 Pre-Compressed Foam Joint 404‑2.06(03), Fig. 404‑2J[Add.]  
21-12 4/12/21 Surface Seal 17‑5.01(03), 404‑2.01  
21-11 04/12/21 Reinforced Concrete Pile Encasement 17‑5.03(02)  
21-10 4/12/21 Zipper Merges for Transportation Operations Plans 503‑4.02  
21-09 4/12/21 Cement Stabilized Subgrade Soils 17‑4.02(02) thru (04)  
21-08 Rev. 3/11/21
rev. 10/25/21
Indiana Design Manual Chapter 14 Updates: Addition of TMP Submittal Items for Significant Projects and MOT Submittal Changes IDM Chapter 14, Editable Doc. 103‑02‑02  
21-07 3/11/21 Indiana Design Manual Chapter 14 Updates: Traffic Submittal Updates 14‑1.02(09)[Add.], 14‑2.06 thru 2.08, Editable Doc. 103‑02‑02  
21-06 3/11/21 Indiana Design Manual Chapters 14 and 412 Updates: Bridge Preservation and Bridge Naming Conventions 14‑2.04, 14‑2.05, 412‑1.0 thru 1.02(02), 412‑2.0 thru 2.02, 412‑2.02(02), 412‑2.03(02), 412‑3.01(03) thru (05), 412‑3.02(04), 412‑3.02(06), 412‑3.03(08), 412‑3.05(07), Figs. 412‑1A, 412‑1B, Editable Docs. 103‑02‑02, 412‑02‑01, 412‑02‑02  
21-05 3/11/21 Traffic Management for Design Projects N/A  
21-03 3/11/21 Indiana Design Manual Chapters 104 & 105 Rewrite IDM Ch. 104 & 105, Fig. 105‑1A[Del.]  
21-02 2/4/21 Mechanically Stabailized Earth (MSE) Walls 14‑2.01(04), 14‑2.01(12), 14‑2.02(03),14‑2.04(03), 14‑2.04(09), 14‑2.05(03), 14‑2.05(04), 410‑2.03(01), 410‑2.03(03), 410‑5.01(05), 410‑5.01(06), 410‑5.01(07), 410‑5.02(01), 410‑5.03, 410‑6.05(01), 410‑6.07(01), 410‑6.07(03), 410‑7.01(01), 410‑7.01(02), 410‑7.02(03), 410‑7.04(01), 410‑7.05(01), Figs. 410‑5(0)(A, B, C), MSE Wall Design Review Checklist[Add.] 21-25
21-01 1/7/21 Longitudinal Joint Options and D-1 Contraction Joint Spacing Fig. 602-3Z  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
20-24 11/5/20 Temporary Pavement Markings 503‑7.03, 503‑7.03(01)  
20-23 10/8/20 Field Office Type and Telephone Service 20‑2.03, Editable Doc. 14-1C  
20-22 10/8/20 Mass Concrete 405‑1.08, Figure 405‑1D  
20-21 10/8/20 Unique Special Provision (USP) Submittal Process N/A  
20-20 10/8/20 Accessible Pedestrian Signal (APS) Studies, Pedestrian Push Buttons, and Curb Ramps 51‑1.06(01), 51‑1.06(02), 51‑1.06(03),
502‑3.03(05), 502‑3.04(05)
 
20-19 9/10/20 Deleted Figure Placeholder Removal & Editable Documents Naming Conventions N/A  
20-18 Rev. 9/10/20
rev. 1/7/2021
Shop Drawing and Falsework Review Procedure 14‑1.02(08)  
20-17 9/10/20 Preprint Changes Revisions and Construction Changes 14‑1.02(05) thru 14‑1.02(07),
Figs. 14‑1H thru 14‑1N
 
20-16 9/10/20 Proprietary Materials 17‑1.05(01), 17‑1.05(02), Editable Docs.
in Proprietary Material Category
 
20-15 9/10/20 Pavement Project Categories 602‑1.0, 602‑1.03(08), 602‑1.04(02), 602‑1.04(08),
602‑1.04(09), Figs. 602‑1B, 602‑1C
 
20-13 8/6/20
rev. 10/8/20
Level One Controlling Criteria
Attachment: August 2020 Q&A for
Design Memos 20‑13 & 20‑14
N/A  
20-12 8/6/20 Truck Mounted Attenuators 503‑3.05(04)  
20-11 8/6/20 Elastomeric Bearing Pads 409‑7.03(03), 409‑7.04, 409‑7.05,
Figs. 409‑7F, 409‑7J, 409‑7K [Del.], 409‑7L, 409‑7M
 
20-10 7/6/20 Seed Mix & Mulching Updates 17‑4.10, 17‑4.10(01) thru (04), 17‑4.10(06) thru (08)  
20-09 5/18/20 INDOT 2020 Standard Drawings N/A  
20-08 5/7/20 End Bent and Pier Diaphragm Details Figs. 406‑16A, 406‑16B, 406‑16D thru 406‑16 I, 406‑16K thru 406‑16N, 409‑2C, 409‑2D, 409‑3A, 409‑3B  
20-07 5/7/20 Bulb-Tee Beam Details Figures 406‑14A thru 14Z  
20-06 5/7/20 Bridge Load Rating Requests 14‑2.04(09), 14‑2.05, 14‑2.05(04)  
20-05 Rev. 4/13/20
rev. 4/16/20
Stormwater Management 14‑2.01(07), 14‑2.03(03), 14‑2.04(06), 14‑2.05(03)  
20-04 4/13/20 Subgrade Treatment 17‑4.02  
20-03 Rev. 4/13/20
rev. 7/6/20
Bridge Painting 17‑5.11, 412‑3.03(06), Figs. 17‑5K, 17‑5L  
20-02 1/07/20 Ramp Maximum Grade 48‑5.04(01)  
20-01 1/7/20 Pavement Design - Indiana Design Manual reorganization Chapter 304  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
19-12 10/10/19 Chapter 503 Maintenance of Traffic Chapters 81, 82, 83  
19-11 10/10/19 Proprietary Materials N/A  
19-10 9/5/19 Terminal Joints 17‑5.09(01), 402‑7.02(03), 409‑2.04  
19-09 9/5/19 Preprint Changes 14‑1.02(05) 20-17
19-08 Rev. 9/5/19
rev. 10/23/19
Bridge Railing 404‑4.0  
19-07 9/5/19 Pedestrian Fence 404‑4.05  
19-06 9/5/19 Practice Pointers N/A  
19-05 5/6/19 Guardrail End Treatment and Impact Attenuator Spare Parts Packages 17‑4.12[Del.]  
19-04 5/6/19 End Bent Details 409‑2.04(02) 409‑2.04(03), Figs. 409‑2A, 409‑2C,
409‑2D, 409‑2E, 409‑3A, 409‑3B
 
19-03 5/6/19 Tooth Joint at Terminal Joints 409‑2.04(01), Fig. 409‑2F[Del.]  
19-02 2/8/19 Shoulder Cross Slope on Single Lane Ramps 48‑5.02, Fig. 48‑5B  
19-01 2/8/19 Rumble Strips and Rumble Stripes 45‑1.02(06), 502‑2.09  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
18-25 11/8/18 Engineering Assessment Manual N/A  
18-24 11/8/18 Full Depth Reclamation (FDR) Projects and Rule 5 Permits N/A 21-04
18-23 10/1/18 Final Tracings Checklist 7‑1.01(04), 14‑1.02(02), 14‑1.02(03), 14‑1.02(04), 14‑2.0  
18-22 9/7/18 Bridge Preventative Maintenance Criteria Fig. 412‑1A  
18-21 8/6/18 Bundling HMA Quantities N/A  
18-19 8/6/18 Turn Lane Deceleration Length Figure 46‑4J  
18-18 8/6/18 Permanent Taper Rates Figs. 46‑4M, 502‑2J, 502‑2L  
18-17 Rev. 8/6/18
rev. 8/8/18
rev. 5/6/19
Bridge Deck Overlays N/A  
18-16 8/6/18 Rewrite Chapter 48  
18-15 8/6/18 Pile Driving Section 408‑3.01  
18-14 8/6/18 Hydraulic Memo Templates N/A  
18-13 6/4/18 INDOT 2018 Standard Drawings N/A  
18-12 6/4/18 Office of Hydraulics Review for LPA Projects N/A  
18-11 5/9/18 Pedestrian Crossing Treatment RRFB Fig. 51‑7O  
18-10 5/9/18 Covering Conflicting Pavement Markings 83‑4.01(03)  
18-09 5/9/18 Hydraulic Training Courses N/A  
18-08 Rev. 5/9/18
rev. 5/16/18
Geotechnical Waivers and Investigations for LPA Projects N/A  
18-07 3/5/18 Public Involvement Ch 8  
18-06 3/5/18 Development of FDR Pavement Projects as Partial 3R 304‑6.01 thru 304‑6.03  
18-04 3/5/18 Rectangular Rapid Flashing Beacons (RRFB) Fig. 51‑7O

18-11

18-03 2/5/18 IDM Chapters 2, 3, 4, 5, 6 Chapters 2, 3, 4, 5, 6[Del.]  
18-02 2/5/18 Historic Bridge Alternatives Analysis 14‑2.04, 14‑2.05, 412‑2.03, 412‑5.0  
18-01 2/5/18 LPA Pavement Design 304‑5.02  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
17-28 12/4/17 Plant Growth Layer N/A  
17-27 12/4/17 Bridge-Length Culverts N/A  
17-26 12/4/17 Subgrade Treatment 17‑4.02(01)  
17-25 11/6/17 Bridge Load Rating for Design-Build Projects N/A  
17-24 10/2/17 Curb Ramp Design Reminders N/A  
17-23 Rev. 10/2/17
rev. 2/5/18
AASHTO LRFD Bridge Design Specifications N/A  
17-22 10/2/17 Survey SS4 Deliverables 26‑1.0  
17-21   Unassigned    
17-19 9/5/17 Next Level Signs
Attachment: Signs
N/A  
17-18 8/7/17 Use of Geotextile in Geotechnical Applications N/A  
17-16 8/7/17 Permanent Metal Forms
Attachment: Sections 404‑2.02(02), 404‑2.02(03),
404‑2.03(02), Figures 404‑2B and 404‑2C
404‑2.02, 404‑2.03, Fig. 404‑2B, 404‑2C  
17-15 7/7/17 Detour Signs N/A  
17-14 7/7/17

Fluorescent Yellow Sheeting for Warning Signs

502‑1.03(08)  
17-13 6/12/17 HEC-RAS 5 and INDR Construction in a Floodway Permit Application Guidance N/A  
17-12 5/30/17 Foundation Review Fom Submittal 14‑2.04(06), 14‑2.04(09)  
17-11 5/16/17 INDOT 2017 Standard Drawings N/A  
17-09 5/1/17
rev. 5/11/17
Panel Sign Wide Flange Post Selection and Plan Detailing 502‑1.01(05)  
17-08 4/21/17 2017 Interstate Highways Congestion Policy (IHCP) N/A  
17-07 4/12/17 Hydraulic Design for Small Structures, Bridges, and Inlets 203‑2.02, 203‑3.03, 203‑4.04, Figs. 203‑2A, 203‑2B

 

17-06 4/6/17 Bridge Load Rating Requests for Design Submittals N/A  
17-05 4/5/17 Exceptions to Bridge Load Rating and Posting Policy N/A

 

17-03 3/1/17 Mechanically Stabilized Earth (MSE) Walls 402‑6.02(02), 409‑2.04(02), 409‑3.03, Figs. 409‑2G, 410‑5C[Add.] 21‑02
17-01 1/10/17 Final Tracings Checklist N/A  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
16-37 12/7/16 Changes to Final Tracings after Advertisement 14‑1.02(05), item 2d.(1)  
16-36 11/29/16 Pedestrian Pushbutton Assemblies Plan Details Required for New and Relocated Assemblies

51‑1.06, Figs. 51‑1P thru 51‑1T, and 502‑3.03(05) item 4

 
16-34 9/22/16 Culvert Design Using HY-8 N/A  
16-33 9/19/16 Sidewalk Width on Bridges 45‑1.06(02), 51‑1.03(02), 402‑6.02(01), Figs. 402‑6P, 404‑4D  
16-32 9/19/16 Integral End Bent Depth 409‑2.04(02), Figs. 409‑2C, 409‑2D  
16-31 9/15/16 Fiber Reinforced Polymer Composite Materials 412‑3.05(05)  
16-30 8/19/16 Quantity Calculations for Slip Lining of Existing Pipe N/A  
16-29 7/20/16 Final Tracings Checklist N/A  
16-28 7/14/16 Traffic Forecasting and Crash Data 5‑2.02, 56‑3.01  
16-27 7/14/16 Temporary Erosion and Sediment Control Plan Development 205‑2.0 thru 205‑5.0, Fig. 205‑1A  
16-26 7/1/16 Underdrain Outlet Protectors Fig. 304‑18A  
16-25 6/29/16 HMA Pavements - ESAL Categories and HMA Type A Fig. 304‑15A, 304‑15B  
16-24 6/2/16 PSE Checklist for Bundled Projects N/A  
16-23 6/2/16 Pedestrian Crossing Treatments 51‑7.09, Fig. 51‑7O  
16-22 5/26/16 Seeding Application Rates 17‑4.10(01) thru 17‑4.10(04)  
16-21 5/20/16 Semi-Smooth Pipe Interior Designation 203‑2.02(13), Fig. 203‑2F  
16-20 5/13/16 Final Tracings Checklist N/A  
16-19 5/13/16 In-Kind Culvert Replacement Policy 203‑2.02(02)  
16-18 4/18/16 Railroad-Highway Crossing Warning Division 47‑1.05, Fig. 47‑1A  
16-17 4/15/16 Median Barrier 45‑2.01, 45‑2.02(03), 49‑3.08, 49‑4.01(04), 49‑6.04(01)  
16-16 4/11/16 Quantities Update 17‑1.05, 17‑4.06, 17‑4.09 thru 17‑4.10(03), 17‑5.09,
17‑6.0, Figs. 17‑5G[Del.], 17‑4D, 17‑5I, 17‑5J
 
16-15 4/8/16 INDOT 2016 Standard Drawings N/A  
16-14 4/7/16 Value Engineering 50‑3.0  
16-13 3/24/16 Indiana Design Manual Rewrite

Chapter 72, 14‑2.05

 
16-12 3/21/16 Curb Ramps and Sidewalks 40‑8.04(01), 45‑1.06(02), 46‑11.02(04), 46‑11.02(07),
51‑1.0 thru 51‑11.0, Figs. 51‑1A thru 51‑1O
 
16-11 Rev. 3/17/16
rev. 9/12/16
Temporary Erosion and Sediment Control N/A 20-05
16-09 3/16/16 Bridge Deck Drains N/A  
16-08 3/11/16 Shop Drawing Review 14‑1.02(08)  
16-07 Rev. 3/11/16
rev. 11/21/16
Plan Sheet Size and Changes to Final Tracings 14‑1.02(02), 14‑1.02(04) thru 14‑1.02(07), 14‑3.03  
16-06 3/8/16 Portable Signals 83‑5.0  
16-05 3/8/16 Coordination of Bridge Inspection during Construction N/A  
16-04 1/28/16 Designer Summary of Required Utility Relocation - Project Design and Utility Summary N/A  
16-03 1/12/16 Lighting Design Procedure 504‑4.02(03) thru 502‑4.07, Figs. 502‑4D, 502‑4P, 502‑4S  
16-02 1/8/16 Accessible Pedestrian Signals (APS) 502‑3.03(02) thru 502‑3.04(05)  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
15-20 11/4/15 Curb Ramp Plan Details 51‑1.04 thru 51‑1.08 16‑12
15-19 9/4/15 Durable Pavement Markings used for Longitudinal Lines 502‑2.01(03), Fig. 502‑2C  
15-18 8/17/15 Performance Evaluation Guidelines N/A  
15-17 8/10/15 Contract Questions Prior to Letting N/A  
15-16 7/20/15 ERMS File Naming Conventions and Email Notification N/A  
15-15 Rev. 7/9/15
rev. 7/25/17
Worksite Increased-Penalty Signs 83‑2.05  
15-14 7/7/15 Geotechnical Information for MSE Walls N/A  
15-13 6/10/15 Waterway Permits Manual N/A  
15-12 5/22/15 Design Resources N/A  
15-11 5/01/15 Anchored Temporary Concrete Barrier N/A  
15-10 4/13/15 INDOT 2015 Standard Drawings N/A  
15-09 4/13/15 INDOT Storm Water Management Field Guide N/A  
15-08 4/07/15 Title Sheet Signatures for Local Public Agency (LPA) Projects N/A  
15-07 3/23/15 Proprietary Materials N/A  
15-06 3/23/15 Temporary Seeding and Mulching 17‑4.10(03), 205‑3.02(03) 16‑16
15-05 3/23/15 ERMS Naming Convention and Contract Preparation Document 14‑1.02(06)  
15-04 3/23/15 Structure Backfill and Flowable Backfill 17‑2.08  
15-03 3/13/15 Utility and Railroad Coordination Certification N/A 17-09
15-02 2/6/15 Safety Edge N/A  
15-01 2/5/15 Utility and Railroad Coordination Certification 104‑1.04(04), 104‑1.05, 104‑2.01, Fig. 14‑1C  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
14-14 10/23/14 Flood Control Act Amendment N/A  
14-13 9/12/14 Tracings Checklist & PS&E Narrative Figs. 14‑1E, 14‑1E(1) thru 14‑1E(3)  
14-12 7/2/14 2014 Interstate Highways Congestion Policy (IHCP) N/A  
14-11 7/1/14 Interstate Vertical Clearance 40‑8.04(03), Fig. 40‑8A  
14-10 7/1/14 Practical Design 40‑8.01, 40‑8.04(01), Chapter 53, 53‑1 thru 53‑9,
55‑3.0, 55‑4.01(03), Figs. 40‑8B, 55‑3A thru 55‑3H
 
14-09 5/13/14 Bridge Railing Offset 402‑6.02(01), Fig. 402‑6H  
14-08 5/7/14 Bridge Preservation 72‑1.04, 72‑2.05(02), 72‑3.01(02), 72‑6.02, Fig. 72‑2D[Add.] 16‑13
14-07 4/23/14 Railroad-Highway Crossing Train-Activated Safety Devices Ch. 47  
14-06 4/17/14 Indiana Design Manual Rewrite Chapter 304 Ch. 52  
14-05 4/2/14 Policy and Procedure for Determination of Technical Infeasibility
Attachment: Policy and Procedure for
Determination of Technical Infeasibility
N/A  
14-04 3/27/14 Subgrade Treatment 17‑4.02(01) 17‑26
14-03 2/21/14 Alterations Which Require ADA Curb Ramps 40‑8.02(01), 40‑8.04(01), 51‑1.08, 56‑2.0, 56‑4.06(06),
56‑4.09(01), 56‑4.09(02), Figs. 51‑1I, 56‑4F
 
14-02 2/7/14 Q500 Scour Policy 202‑3.03  
14-01 2/4/14 Indiana Design Manual Rewrite Chapters 75, 76, 77, 78  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
13-18 10/15/13 Pavement Design 52‑8.03, 52‑8.03(01), Figs. 52‑8A, 52‑8B, 52‑8C  
13-17 8/15/13 Location Control Route Survey (LCRS) and LCRS Plat 26‑2.0, Fig. 26‑2D  
13-16 8/15/13 Survey Transmittal Deliverables Related to Geo-Coordinated Survey 26‑1.01  
13-15 8/14/13 HMA Pavement Pay Items for 2014 Standard Specifications Section 402 N/A 16-25
13-14 8/13/13 Indiana Design Manual Rewrite Chapters 10, 11, and
402‑5.05, 402‑5.06, 402‑6.01(03)
 
13-13 7/26/13 Centerline and Edge Line Rumble Stripes 45‑1.02(06), 76‑3.02(05), 76‑3.02(06)  
13-12 6/12/13 Lighting Design Procedure 78‑3.04, 78‑5.0, 78‑6.0, 78‑7.0  
13-11 5/29/13 Indiana Design Manual Errata and Editorial Revisions See Memo  
13-10 4/15/13 Roundabouts
Attachment: Roundabout Design Checklist
51‑12.0  
13-08 3/27/13 Indiana Design Manual Rewrite Ch. 18  
13-07 3/27/13 Signal Display 77‑4.05 14‑01
13-06 3/27/13 Signal Electrical System 77‑5.05 14‑01
13-05 3/4/13 In-Kind Replacement Policy 203‑2.02(02)  
13-04 3/4/13 Flowline Elevation, Pipe Material Selection 201‑1.05 thru 201‑1.08, 203‑2.02(10),
Figs. 201‑1A thru 201‑1G
 
13-03 2/8/13 2013 Interstate Highways Congestion Policy (IHCP) 82‑6.03 14‑12
13-02 1/25/13 INDOT CAD Standards Manual Chapter 15  
13-01 1/7/13 Indiana Design Manual 2013 Edition See memo  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
12-22 10/5/12 Indiana Design Manual Rewrite Chapter 205  
12-21 10/5/12 Use of AASHTO LRFD Bridge Design Specifications 409‑9.0  
12-20 9/26/12 AASHTO LRFD Bridge Design Specifications 2012, affects on Indiana Design Manual See memo  
12-19 8/24/12 Final Tracings Checklist, FHWA PSE Checklist 14‑1.02, Fig 14‑1E thru 14‑1E(3) 14‑13
12-18 7/18/12 Indiana Design Manual Rewrite Chapters 201, 202, 203  
12-17 7/6/12 Plans-Sheets Size 14‑3.03  
12-16 --- Memo rescinded N/A  
12-15 6/8/12 Microsurfacing 52‑11.01, item 4 14‑06
12-14 6/8/12 Radio Communication Interconnection 77‑6.03  
12-13 6/8/12 Traffic-Signal Loop Tagging Table 77‑5.09(03)  
12-12 6/6/12 Reinforced-Concrete Bridge Approach 17‑5.09  
12-11 6/6/12 Fluorescent-Yellow Sign Sheeting 75‑4.07  
12-10 6/6/12 Work-Site Speed Limit 83‑2.03(01)  
12-09 6/6/12 Bridge Railings Figs. 404‑4B, 404‑4C  
12-08 5/17/12 Mechanically-Stabilized-Earth Retaining Wall Design 410‑5.01(06), 410‑5.01(07)  
12-07 5/15/12 Portable Changeable Message Sign 83‑2.06  
12-06 4/26/12 Plans-Sheet Size 14‑3.03  
12-05 3/14/12 Bridge Condition Appraisal Report Submittal - Content and Order 72‑2.05  
12-04 3/1/12 Design Exception Level One Request Routing and Approval 40‑8.04(01)  
12-03 2/21/12 Stage 3 Plans-Review Submission 14‑2.01  
12-02 2/16/12 Pipe Lining 31‑4.05(06) 12‑18
12-01 1/6/12 Indiana Design Manual Rewrite See memo  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
11-25 12/22/11 Ultrathin Bonded Wearing Course 52‑11.01 item 5 14‑06
11-24 12/22/11 Microsurfacing 52‑11.01 item 4 12‑15
11-23 11/22/11 Traffic-Signal Cantilever Structure 77‑4.03, 77‑4.04  
11-22 10/25/11 Structural Steel Cleaning and Painting 17‑5.11, 17‑5.11(04), 17‑5.11(05)  
11-21 10/19/11 Signal Conduit 77‑5.05 13‑06
11-20 10/28/11 Traffic-Signal Cantilever Structure 77‑4.03, 77‑4.04 11‑23
11-19 9/20/11 Fish and Wildlife Review, and Environmental Consultation Form 14‑2.01, 14‑2.04  
11-18 9/15/11 Pavement Markings 76‑3.02, Fig. 76‑3A  
11-17 9/7/11 Non-Participating Pay Items 20‑2.02(04)  
11-16 8/18/11 Specialty Drainage Structures 31‑4.05 (203‑2.05)
31‑4.06 (203‑2.06)
12‑18
11-15 8/18/11 Proprietary-Material Use 17‑1.05  
11-14 8/17/11 Use of U.S. Survey Foot 22‑5.01  
11-13 8/17/11 Structural Steel Cleaning & Painting 17‑5.11, 17‑5.11(04), 17‑5.11(05) 11‑22
11-12 7/8/11 Metric-Units Plans See Memo  
11-11 7/8/11 Right-Of-Way Certification 14‑2.01(12)  
11-10 7/8/11 Bridge-Approach Guardrail and End Treatments 49‑4.02(01), 49‑4.02(04), 49‑8.01(04), 49‑9.02  
11-08 4/5/11 InRoads Survey Format Chapters 22, 23, 26  
11-07 3/28/11 High-Tension Cable-Barrier System (CBS) 45‑5.01(04) 11‑09
11-06 3/7/11 Bridge-Scour-Analysis Q500 Discharge Determination 32‑6.07 12‑18
11-05 3/4/11 Revised Indiana Design Manual See memo  
11-04 1/24/11 New Consultant Performance Evaluation Manual N/A 15‑18
11-03 1/24/11 New Consultant Performance Evaluation Manual N/A 15‑18
11-02
Withdrawn
1/7/11 Non-Participating Pay Items N/A  
11-01 1/7/11 Use of AASHTO LRFD Bridge Design Specifications N/A 12‑21
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
10-30 12/6/10 Inputting Data for Cost Estimate 20‑2.01  
10-29 11/22/10 Pavement-Marking Materials 76‑3.0  
10-28 11/22/10 Construction-Zone Reduced-Speed-Limit Sign 83‑2.03(01) item 7  
10-27 11/22/10 Wireless Vehicle-Detection System & Decision-Making Criteria 77‑4.02(03)  
10-26 11/16/10 Structural-Member Fillet Treatments Figs. 61‑4B, 61‑4C  
10-25 10/29/10 Department-Personnel Project-Site Use of Cellular Telephones or Radios N/A  
10-24 10/14/10 Final Tracings Checklist 14‑1.02(03) items 23 & 24, Figure 14‑1E 12‑19
10-23 10/5/10 Pavement-Marking Materials 76‑3.0 10‑29
10-22 9/10/10 Plans Title Sheet N/A  
10-21 9/2/10 Lane-Shift & Merging Tapers Figs 46‑4M, 76‑2B, 45‑4A  
10-20 8/24/10 High-Mast Lighting Design 78‑7.0  
10-19 7/29/10 Culvert Sumping 31‑3.04(07)  
10-18 7/9/10 Bridge Construction-Loads Considerations 60‑3.10  
10-17 5/26/10 Adjacent Prestressed-Concrete Box Beams Transverse Connection 63‑8.01  
10-16 4/28/10 Joint Transportation Research Project (JTRP) SPR-2853 regarding IDEM Rule 5 Permitting, Water Quality, Notice of Intent, & Notice of Termination See Memo  
10-15 4/22/10 Subgrade-Treatment Types 17‑4.02(01) 14‑04
10-14 4/22/10 Pavement or Overlay Performance Criteria
Pavement Engineering Webpage
Figs. 52‑8B, 52‑8C 13‑18
10-13 4/13/10 Select & Non-Select Historic Bridges 72‑7.01  
10-12 4/6/10 ERMS File Title-Naming Conventions 14‑1.02(04), 14‑1.02(06)  
10-11 3/26/10 Test Piles 17‑5.03  
10-10 3/16/10 Nonmotorized-Vehicle-Use Facility Pavement Sections 51‑7.06  
10-09 3/4/10 Project Commitment Report 14‑2.01, 14‑2.02, 14‑2.04  
10-08 2/25/10 Temporary Seed Mixtures 17‑4.10(02)  
10-07 1/29/10 Mitigation-Sites Information on Right-of-Way Plans See memo  
10-06 1/14/10 Joint Transportation Research Project (JTRP) SPR-2853 See memo 10‑16
10-05 1/11/10 Plans-Sheets Sizes 14‑3.03  
10-04 1/5/10 Mechanically-Stabilized-Earth Retaining-Wall Bridge Abutment 59‑2.02(01) item 3  
10-03 1/5/10 Flanking-Inlet Locations Fig. 36‑10E  
10-02 1/5/10 Bridge-Railing Types Fig. 61‑6B  
10-01 1/5/10 Bridge-Railings Test Levels 61‑6.01, Eng. Figs. 49‑6D(40), 49‑6D(45)  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
09-33 12/14/09 Modification Project Which Requires American Disability Act (ADA) Component Upgrades 51‑1.08  
09-32 12/23/09 Environmental Consultation Form Figs. 7‑3A, 7‑3B  
09-31 12/18/09 Pay-Items List Fig. 20‑2A  
09-30 12/18/09 Modern Roundabouts 51‑12.0  
09-29 12/16/09 Use of Flashing Beacons with Signs 77‑3.02, 77‑3.04  
09-28 12/14/09 Project Commitment Database IMplementation, ERMS Project File Naming Conventions 7‑1.01(05)  
09-27 12/4/09 Culvert Sumping 31‑3.04(07) 10‑19
09-26 11/30/09 Sign-Sheeting Material & Overhead-Sign Lighting 75‑2.02, 75‑2.03 Item 1  
09-25 11/12/09 Bridge Superstructure Surface-Seal Limits 17‑5.01, 61‑4.01  
09-24 11/10/09 Positive Protection in Work Zone 82‑4.01  
09-23 11/10/09 Shop-Drawings Submittal, & Stage 3 Right-of-Way Change 14‑1.02(07) Item 3, 14‑2.01(12) Item 1  
09-22 11/4/09 Bridge Load Rating PDP: 14‑2.04(08) Item 13, 14‑2.05(04);
Non‑PDP: 14‑2.03(07) Item 9, 14‑2.04(04)
 
09-21 9/21/09 Proprietary Materials 17‑1.05, Fig. 17‑1A  
09-20 9/16/09 Bridge-Railings Test Levels Eng. Figs. 49‑6D(40), 49‑6D(45), 61‑6.01  
09-19 9/15/09 Final Tracings Checklist PDP Fig. 14‑1E  
09-18 9/2/09 Sidewalk-Project Plans Development 51‑1.05  
09-17 8/21/09 Project Commitment Database Procedure 7‑1.01(05) 09-28
09-16 7/24/09 Geotechnical Foundation Review 66‑1.05(02), Fig. 66‑1A  
09-15 6/12/09 Geotechnical Foundation Review 66‑1.05(02), Fig. 66‑1A  
09-14 5/18/09 Three or Four-Sided Drainage Structures 31-4.05 11-16
09-13 5/8/09 Overhead Box-Truss Sign Structures and Foundations 75-6.01  
09-12 5/7/09 Piling 66-3.02(01), 67-1.03  
09-11 4/29/09 Moment Slab Near Top of Mechanically-Stabilized-Earth Retaining Wall 17-4.01, 45-1.02  
09-10 4/21/09 Nonmotorized–Vehicle–Use Facility 51-7.0  
09-09 3/27/09 Proprietary Material or Product Use 17-1.05, 19-3.01  
09-08 3/26/09 Bridge-Painting Information Figure 17-5K  
09-07 3/17/09 Chapter 19 Chapter 19  
09-06 3/16/09 Pavement Design in Accordance with the Mechanistic Empirical Design Pavement Design Guide (MEPDG) Chapter 52 13-18
09-05 2/6/09 Low Channel-Clearing Elevation 59-1.04, Item 5  
09-04 1/27/09 Sign-Sheeting Material N/A 09-26
09-03 1/16/09 Masonry Coating N/A  
09-02 1/13/09 Superelevation Runoff Length 43-3.03(01), 49-3.03(02)  
09-01 1/9/09 Indiana LTAP Stormwater Drainage Manual Compliance Fig. 29-8A  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
08-22 12/29/08 Updated to Bridge Clear Roadway Width for 3R, 4R, and New Construction. Figs. 59-1E, 59-1F, 59-1G  
08-21 10/28/08 Semi-Integral End Bents 67-1.01  
08-20 9/11/08 Bridge Plans Title Sheet 14-2.04, 14-2.05  
08-19 9/3/08 Details for Structural-Member Fillets Figs. 61-4B, 61-4C  
08-18 8/25/08 Use of Recurring Special Provisions Menu 19-3.0  
08-17 8/6/08 Overhead Sign Trusses 75-2.06  
08-16 8/6/08 Project Commitment Database Procedure 7-1.01(04) 09-28
08-15 7/25/08 Minimum Pile Length & Integral End Bents 66-3.03, 67-1.0  
08-14 6/26/08 New or Revised Contract Document Submittal PDP 14-2.01(14)
Non-PDP 14-2.01(03)
 
08-13 6/16/08 Painting Structural Steel 17-5.11  
08-12 5/29/08 Stable Construction Entrances 37-2.0  
08-11 5/30/08 Project Field Office 14-1.02(03)  
08-10 5/19/08 Construction, Maintenance, and Inspection Manual for Major or Complex Bridge 70-1.0  
08-09 5/19/08 AASHTO LRFD Table Correction N/A  
08-08 5/16/08 High-Tension Cable Barrier System 17-3.14, 49-4.06  
08-07 5/16/08 Property-Owner Contact for Condemned Parcels 85-1.08  
08-06 4/18/08 Temporary Pavement Markings 83-4.0  
08-05 3/18/08 Temporary Seeding 17-3.10(04)  
08-04 3/18/08 Bridge Load Rating PDP 14‑2.04(08) Item 13, 14‑2.05(04)
Non‑PDP 14‑2.03(07) Item 9, 14‑2.04(04)
09‑22
08-03 3/18/08 Federal Aviation Administration (FAA) Tall-Structure Permit 9‑3.02  
08-02 3/18/08 Use of Indiana Design Manual, English-Units Version ALL  
08-01 3/18/08 Use of AASHTO LRFD Bridge Design Specifications & Indiana Design Manual Part VI, Structural Design Part VI 11-01
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
07-14 12/21/07 Plan Development Process Chapter 14  
07-13 10/16/07 Structure Backfill & Flowable Backfill 17-2.09 15-04
07-12 10/16/07 Pipe-Material-Selection Computer Program N/A  
07-11 8/28/07 Contract-Preparation Documents to Contract Administration Division 14‑1.02(03)  
07-10 7/26/07 Worksite Increased-Penalty Signs 82‑3.05 15‑15
07-09 4/24/07 Rational-Method Formula for Determining Peak Rate of Runoff 29‑8.04  
07-08 4/12/07 Impact Attenuator Type CR 49‑6.01  
07-07 4/12/07 Bridge Bearing Pads 67‑4.03  
07-06 3/22/07 Patching Concrete Structures 72‑3.04(03)  
07-05 3/22/07 Treatment of Historic Bridge on Low-Volume Local Road 72‑7.0  
07-04 2/6/07 Backfilling & Video Inspection for Drainage Structures 17‑2.9  
07-03 1/29/07 ADA Responsibilities Associated with Sidewalk Improvements 51‑1.08  
07-02 1/23/07 Roadside Location of Guardrail, Guardrail End Treatments, Impact Attenuators, Light Standards, & Breakaway Sign Supports 49‑3.06  
07-01 1/2/07 Contract-Preparation Documents to Contract Administration Division 14‑1.02(03)  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
06-18 12/27/06 Part VI, Structural Design Part VI 08-01
06-17 12/8/06 Traffic Signal Equipment to be Removed See Memo  
06-16 12/8/06 Structural-Members Unit Prices Fig. 59-5A  
06-15 12/8/06 Prestressed-Concrete Box Beam Details Figs. 63-15A thru 63-15R  
06-14 11/6/06 Structural Expansion Joints 61-4.06(03)  
06-13 9/27/06 Design Memoranda in Website Listing varies  
06-12 9/20/06 Transformed Beam Section 63-4.01  
06-11 9/15/06 Policy for Geotechnical Investigation or Geotechnical Waiver 18-1.0  
06-10 Adv
06-10 Pol
9/14/06 Blue-Retroreflectors Raised Pavement Markers 76-3.02(05)  
06-09 9/14/06 Linear Grading 17-2.06  
06-08 9/1/06 Contract-Preparation Documents to Contract Administration Division 14-1.02(03) 07-01
06-07 8/29/06 High-Performance Structural Steel 64-2.01(01)  
06-06 8/18/06 Interior Diaphragms with Prestressed-Concrete Members 63-7.02  
06-05 8/3/06 Level One Design Exception Approval Procedure 40-8.04  
06-04 8/3/06 Temporary Revetment Riprap Check Dam 37-3.03(01)  
06-03 6/1/06 Development of Bridge Plans 14‑2.03, 14‑2.04  
06-02 4/25/06 Pay Unit for Water Pay Items 17‑3.10(07)  
06-01 4/25/06 Final Quantities Values 17‑1.03  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
05-38 12/21/05 Errata Corrections to the Indiana Design Manual Varies  
05-37 11/28/05 Shoulder Cross Slope & Pavement Section Varies  
05-36 11/22/05 English-Units Indiana Design Manual & Additions & Corrections to Manual Varies  
05-35 11/14/05 Snowplowable Raised Pavement Marker Castings 76‑3.02(05)  
05-33 9/23/05 New & Revised Editable Design Manual Documents Varies  
05-32 9/23/05 New Estimator Software Pay Item List 20‑2.03  
05-31 9/9/05 Public Road Approaches & Drives 46‑11.0  
05-30 9/1/05 Bridge Deck Overhang Width 61‑5.02  
05-29 Adv
05-29 Pol
9/1/05 Curbed Section in Suburban or Intermediate Urban Area Chapters 53, 55  
05-28 8/26/05 Geometric Design Criteria for Recreational Roads Fig. 51‑6B  
05-27 7/28/05 Inputting Data for Cost Estimate 20‑2.01 10-30
05-26 7/28/05 Bridge Identification in Pay Item Names 20‑2.02(03)  
05-25 7/28/05 Earthwork Quantities for Retaining Walls 17‑4.05(02)  
05-24 7/8/05 Design Memoranda in Website Listings Varies  
05-23 7/8/05 2006 INDOT Standard Specifications Book N/A  
05-22 7/8/05 Seed Mixture CV 17‑3.10  
05-21 6/27/05 New or Revised Access to the Interstate System 48‑1.03  
05-20 6/27/05 Shoulder Width of Multi-Lane Urban Arterial Table 53‑6  
05-19 6/27/05 HMA Ramp Cross Section Figs. 52‑13S, 52‑13T 14‑06
05-18 6/27/05 Mitigation Commitments 7‑1.01(04) 08‑16
05-17 6/13/05 Impact Attenuator Spare Parts Package 49‑6.01  
05‑16 6/2/05 Guardrail End Treatment Spare Parts Package 49‑5.04(01)  
05-15 5/26/05 Temporary Traffic Barrier (TTB) 82‑4.02(03)  
05-14 5/26/05 Use of Indiana Design Manual Part VI, Structural Design Varies 06-18
05-13 5/26/05 Development of Bridge Plans 14‑2.03, 14‑2.04 06-03
05-12 5/26/05 Relationship Between Guardrail End Treatment & Guardrail Length of Need 49‑5.04(04)  
05-11 5/26/05 New Geotechnical Instrumentation 18‑1.02  
05-10 5/26/05 Level One Checklist for S-Lines 14‑2.0  
05-09 5/26/05 Use of Integrated Traffic System (ITS) Controllers 77‑4.01(06)  
05-08 4/14/05 ESALs or HMA mixtures, Fig 52-9B 52‑9B 14-06
05-07 3/28/05 Maximum allowable stress in H-piles 66‑3.02(02)  
05-06 3/15/05 Prime coat, 52-9.02(11) 52‑9.02(11) 14-06
05-05 2/28/05 NCHRP Bridge Railings & Transitions 61‑6.01  
05-04 2/8/05 Vertical Alignment for 3R Project 55‑4.04  
05-03 2/1/05 Status of Design Memorandum N/A 05-24
05-02 1/19/05 Truck-Height Barrier 49‑5.02(01)  
05-01 1/10/05 Rating Consultant Plan Submittals 6‑3.03(02)  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
04-20 12/21/04 Barrier Flare Rates 49‑9.0  
04-19 12/20/04 Sidewalk Curb Ramps & Sidewalk Transitions 51‑1.08  
04-18 11/22/04 FHWA Project Oversight 40‑7.0  
04-17 11/15/04 Retrofit Thrie-beam Bridge Railing 61‑6.01(02) 05-05
04-16 11/15/04 Thrie-beam Guardrail & Transitions 49‑4.03  
04-15 11/15/04 Crest Vertical Curves to Remain in Place 55‑4.04(03) 05-04
04-14 10/12/04 Notification Procedure for Temporary Land Acquisition Suspension 85‑3.03(01)  
04-13 10/12/04 Intersecting Welds in Structural Steel Members 64‑8.02  
04-12 10/12/04 Fracture-critical Structural Steel Members 64‑1.07  
04-11 10/12/04 Empirical design of concrete bridge decks 61‑3.0  
04-10 10/12/04 Wingwalls & headwalls for precast concrete box culvert 31‑3.06  
04-09 10/12/04 Bridge loading rating policy 14‑2.03(07)  
04-08 10/12/04 Underground storage tank removal 14‑2.01(07)  
04-07 Adv
04-07 Pol
10/12/04 Paving work at structure installation 17‑3.03  
04-06 8/4/04 Subgrade treatment 17‑3.02 10-15
04-05 5/26/04 HS 25 loading for new & replacement bridges 60‑3.02  
04-04 5/13/04 Partial 3R design policy Chapter 56  
04-03 Adv
04-03 Pol
5/13/04 Pavement design policy Chapter 52 14-06
04-02 5/12/04 Temporary R/W for drive construction 85‑5.01(01)  
04-01 2/20/04 Intersection sight distance at divided roadway 49‑6.01  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
03-19 12/8/03 Drainage in curbed section 45‑1.05(04)  
03-18 12/8/03 Guardrail at culverts 49‑3.03(01)  
03-17 10/15/03 Reinforced concrete bridge approach 17‑4.09  
03-16 Adv
03-16 Pol
10/2/03 Pavement milling N/A 04-03
03-15 10/2/03 Sidewalk curb ramps for partial 3R work 56‑4.0  
03-14 9/30/03 IDEM Rule 5 submission for erosion control plan 9‑2.05(06)  
03-13 9/10/03 Guardrail end treatment type II pay limits 49‑5.04(01)  
03-12 8/20/03 Specifications conflicts 19‑2.02  
03-11 Adv
03-11 Pol
8/12/03 Rest-area water treatment 51‑2.01(02)  
03-10 8/7/03 Environmental permits 9‑2.02(09)  
03-09 7/10/03 HMA pavement ESAL ranges 52‑9.02(03) 14-06
03-08 7/2/03 Interstate-highway lane closures 82‑6.01  
03-06 6/6/03 HMA pavement ESAL ranges N/A 03-09
03-05 Adv
03-05 Pol
5/8/03 Partial 3R design policy N/A 04-04
03-04 5/7/03 Revised pay items 20‑2.02(02)  
03-03 4/15/03 Compatibility of drainage structures & castings 36‑2.14  
03-02 3/5/03 Three-sided drainage structures N/A  
03-01 2/17/03 Sidewalk curb ramps N/A 04-19
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
02-11 12/5/02 Sag vertical curve equations for undercrossing 44‑3.02(04)  
02-10 9/9/02 Traffic maintenance plan for roadway under overpass work 82‑6.01  
02-09 8/14/02 Status of design memoranda N/A 05-03
02-08 7/31/02 Subgrade Treatment N/A 04-06
02-07 7/19/02 2001 AASHTO “Green Book” affects on Design Manual Varies  
02-06 7/9/02 PCCP joints 52‑9.03 14-06
02-05 6/13/02 Pavement design policy N/A 04-03
02-04 Adv
02-04 Pol
6/7/02 Subgrade treatment N/A 02-08
02-03 Adv
02-03 Pol
6/7/02 Shoulder corrugations 45‑1.02(06)  
02-02 Adv
02-02 Pol
6/7/02 HMA pavement design N/A 02-05
02-01 1/7/02 LED traffic signal indicator 77‑4.04  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
01-13 11/15/01 Use of english measurement units Varies  
01-12 10/15/01 Contract-specific standard-drawings index 19‑1.04  
01-11 8/1/01 Three-sided drainage structures N/A 03-02
01-10 Adv
01-10 Pol
8/1/01 Subgrade treatment & soil chemical modification N/A 02-04
01-09 6/13/01 Construction-zone energy-absorbing terminal 82‑4.02(03)  
01-08 6/13/01 Construction-zone GREAT unit N/A 01-09
01-07 6/5/01 Status of design memoranda N/A 02-09
01-06 5/23/01 Use of english measurement units Varies 01-13
01-05 5/21/01 Curing concrete bridge deck or RCBA 62‑1.01  
01-04 5/21/01 Bridge future wearing surface dead load 60‑2.05  
01-03 5/21/01 Use of english measurement units N/A 01-06
01-02 Adv
01-02 Pol
5/14/01 Impact attenuators 49‑6.0  
01-01 2/7/01 Concrete barrier railing N/A 05-02
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
00-19 Adv
00-19 Pol
12/11/00 Temporary erosion & sediment control Ch. 37  
00-18 10/16/00 Status of design memoranda N/A 01-07
00-17 10/6/00 Three-sided drainage structures N/A 01-11
00-16 10/6/00 Riprap ditch 30‑3.03(02)  
00-15 10/6/00 Design data on plans title sheet 14‑3.04(06)  
00-14 10/6/00 ESALs determination N/A 02-05
00-13 9/22/00 Nested guardrail & cable terminal anchor 49‑5.03  
00-12 Adv
00-12 Pol
9/22/00 Guardrail over large culvert 49‑5.03  
00-11 9/22/00 Three-sided drainage structures N/A 00-17
00-10 9/13/00 NCHRP 350 bridge railings & transitions N/A 05-05
00-09 Adv
00-09 Pol
6/7/00 Rating Consultant Plan Submittals N/A 02-05
00-08 5/30/00 Termination of new HMA pavement 56‑4.01  
00-07 5/30/00 Permanent easement for maintenance of legal ditch 85‑5.03  
00-06 5/30/00 Application of environmental documents 7‑1.01  
00-05 5/30/00 Environmental permit requirements 9‑2.0  
00-04 5/31/00 Status of design memoranda N/A 00-18
00-03 Adv
00-03 Pol
3/1/00 Impact attenuators N/A 01-02
00-02 Adv
00-02 Pol
3/1/00 Guardrail end treatments 49‑5.04(01)  
00-01 Adv
00-01 Pol
3/1/00 Positive guidance for crossed-over two-lane two-way traffic on multi-lane highway construction-zone 82‑4.02  
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
99-19 12/21/99 Contract-specific standard-drawings index N/A 01-12
99-18 12/15/99 Underdrain table N/A 02-05
99-17 11/16/99 Contract documents submittal 19‑3.03  
99-16 Adv
99-16 Pol
11/15/99 NCHRP 350 bridge railings & transitions N/A 00-10
99-15 9/22/99 Backfill behind bridge end bent 17‑2.08  
99-14 9/21/99 NHS routes maps 40‑1.03(01)  
99-13 Adv
99-13 Pol
8/30/99 Underdrains N/A 02-05
99-12 8/18/99 HMA resurfacing N/A 03-05
99-11 5/26/99 Subsurface investigation summary 18‑1.05  
99-10 5/26/99 Concrete deck slab permanent forms 61‑4.03  
99-09 Adv
99-09 Pol
4/26/99 Impact attenuators N/A 00-03
99-08 4/15/99 FHWA project oversight N/A 04-18
99-07 3/23/99 Portland cement concrete pavement N/A 02-05
99-06 3/18/99 GREAT unit N/A 00-03
99-05 3/17/99 Reinforced concrete bridge approach N/A 03-17
99-04 3/17/99 B/P profilograph 17‑3.01  
99-03 3/17/99 Traffic control for construction operations 83‑4.0  
99-02 3/17/99 NCHRP 350 guardrail, GRETs, bridge railing transitions 49‑4.03  
99-01 1/19/99 Use of 1999 Standard Specifications N/A 05-23
Memo Number Memo Date Subject Affected IDM Section, Figure, or Reference Superseding Memo
98-12 11/30/98 B/P structural steel members; stud shear connectors 17‑4.01  
98-11 11/30/98 B/P concrete structural members 17‑4.01(02)  
98-10 11/23/98 NCHRP 350 guardrail post requirements N/A 99-02
98-09 Adv
98-09 Pol
11/23/98 IDEM Section 401 Water Quality Certification N/A 00-03
98-08 11/16/98 Profile-wall PVC pipe 28‑6.05  
98-07 9/25/98 Backfill behind bridge end bent N/A 99-15
98-06 Adv
98-06 Pol
8/1/98 Three-sided drainage structure scour protection N/A 00-17
98-05 Adv
98-05 Pol
7/15/98 Utilities coordination process Chapter 10  
98-04 6/22/98 Pile loads table 66‑3.04  
98-03 6/15/98 GREAT unit N/A 00-03
98-02 6/15/98 NCHRP 350 guardrail, GRETs, bridge railing transitions N/A 00-02
98-01 Adv
98-01 Pol
6/10/98 New-pipes concept 28‑6.0  
98-00 6/3/98 Proposing changes to Standard Documents or Proposing New Standard Documents Varies  

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