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Bridge Inspection Memos

All revisions to the Bridge Inspection Manual described in these memos have been incorporated into the current Indiana Bridge Inspection Manual (BIM) as of 11/24/2020.

Memos appear on this page for a period of 1 year following the date of the memo. After about 1 year, they are moved to the Archived Bridge Inspection Memos page.

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Last Updated: 10/13/2026
Number
Memo
Date
Effective Date
Subject
Attachments
26-11 10/08/2026 Immediately BIM 26-11 Bridge Inspection Manual Part 3 Updates
26-10 08/05/2026 Immediately Load Rating Method – Engineering Judgment  
26-09 08/05/2026 Immediately Axle Weight Limit Signs  
26-08 04/24/2026 05/08/2026 Inspection Report Audit Workflow  
26-07 04/16/2026 Immediately Scour Vulnerability Validation Procedures for LPA Bridges REV1  
26-06 03/09/2026 Immediately Transverse Floor Beam NSTM Requirements  
26-05 03/09/2026 Immediately SNBI Bridge Data Implementation Announcement  
26-04 02/27/2026 Immediately Scour PCA Implementation for LPA Bridges  
26-03 02/27/2026 Immediately Railroad Flatcar superstructure  
26-02 2/19/2026 Immediately Bridge Inspection Manual Part 2 Updates  
26-01 2/19/2026 Immediately Bridge Inspection QC-QA Manuals  
- 11/17/2025 Immediately County Compliance Month Update  
25-08 7/25/2025 Immediately Bridge Inspection Photographs  
25-07 7/25/2025 Immediately Bridge Inspector Registry  
25-06 2/28/2025 Immediately BIM 25-06 SNBI Bridge Inspections  
25-05 2/18/2025 Immediately BIM 25-05 Weight Limit Documentation and Advanced Notifications  
25-04 2/17/2025 Immediately BIM 25-04 Regular/Reduced Interval Requirements for Routine Bridge Inspections  
25-03 2/17/2025 Immediately BIM 25-03 Extended Interval Requirements for Routine Bridge Inspections  
25-02 2/17/2025 Immediately BIM 25-02 NSTM Inspection Requirements  
25-01 2/17/2025 Immediately BIM 25-01 Bridge Inspection QA/QC Updates  
24-03 10/15/2024 Immediately Verification of Bridge Weight Restrictions  
24-02 02/01/2024 Immediately INDOT Bridge Inspection Manual Part 2  
24-01 02/02/2024 Immediately INDOT Bridge Inspection Manual Part 2  
10/06/2023
Immediately
BIM 23-09 Inspection Dates coding requirements in iTAMS  
08/24/2023
Immediately
BIM 23-08 INDOT Bridge Inspection Webpage Update - Announcement  
04/28/2023
Immediately
BIM 23-07 iTAMS Now Open to All Users  
04/03/2023
Immediately
BIM 23-06 iTAMS Implementation – Platform Going Live Announcement  
03/13/2023
Immediately
BIM 23-05 BIAS Shut Down Announcement (REMINDER 3)  
03/10/2023
Immediately
BIM 23-04 REMINDER: BIAS Shut Down and iTAMS Implementation (REMINDER 2)  
03/08/2023
Immediately
BIM 23-03 BIAS Shut Down and iTAMS Implementation (REMINDER 1)  
02/27/2023
Immediately
BIM 23-02 BIAS Shut Down Announcement Update 1  
02/17/2023
Immediately
BIM 23-01 BIAS Shut Down Announcement  
11/03/2022
Immediately
Maintenance Recording for Local Public Agency Bridges  
10/04/2022
Immediately
Mandatory On-Line Channel Survey Course  
05/18/2022
Immediately
Wearing Surfaces  
05/18/2022
Immediately
Extended Inspection Frequency  
05/18/2022
Immediately
Inspection Frequencies for Higher Risk Bridges  
05/12/2022
Immediately
Load Ratings and Restriction Postings Requirements  
04/29/2022
Immediately
Load Ratings and Restriction Postings Requirements  
04/29/2022
Immediately
Quality Control Frequencies and Requirements  
03/10/2022
Immediately

Updated Approved Team Leader Minimum requirements – Critical Finding Course

 
05/12/2021
Immediately
BIM  Supersedes Part 3: Load Rating  
05/12/2021
Immediately
BIM  Supersedes Parts 1 Administration  
11/24/2020
Immediately
BIM  Supersedes Parts 1 – 6  
03/02/2020
Immediately
Updated- LPA Consultant Bridge Inspection Boilerplate Contract  
12/30/2019
Immediately
Compliance Month Update  
12/17/2019
Immediately
LPA Bridge Inspection Advance Notice to Proceed

Contact Information

Anthony Marino
Bridge Inspection Manager
Indiana Department of Transportation
16601 Boyle Lane
Evansville, IN 47725
Phone: (812) 895-7363
Email: amarino@indot.in.gov