Agencies
Services
Bridge Management and Inspections
Bridge Management and Inspection policies and procedures are administered by the Bureau of Bridges & Structures to ensure public safety and to comply with federal regulations and state statutes. The Bridge Management and Inspection Unit is responsible for providing oversight of the bridge and tunnel inspection procedures utilized by IDOT and local public agencies to ensure bridge and tunnel safety as required by the National Bridge Inspection Standards (NBIS) and the National Tunnel Inspection Standards (NTIS) provided in Title 23 of the Code of Federal Regulations.
Questions? You may email DOT.BBS.BridgeMgmt@illinois.gov and your question will be responded to as quickly as possible.
Technical Manuals
- IDOT Bridge Data Guidance
- Bridge Inspection System (BIS) User Guide
- FHWA - Recording and Coding Guide for the Structure Inventory and Appraisal of the Nations Bridges
- Supplement to the AASHTO Manual for Bridge Element Inspection (MBEI)
- Bridge Element Inspection Manual (Revised: 03/20/2015)
- Bridge Inspector's Reference Manual (BIRM) (Revised: March, 2023)
- Bridge Preservation Guide (Issued: November, 2019)
- Structure Information and Procedure Manual (revised: June, 2021)
- Structural Services Manual
Revised Elements
- Protection System Unpainted Steel Elements (Page 15 : revised - October 23, 2015)
- Protection System Non-Lead Painted Steel Elements (Page 17 : revised - October 23, 2015)
Bridge Information
The following links are tools to offer bridge inspection and inventory information to the public.
NBIS Quality Assurance Review Summary Reports
- 2021 NBIS Quality Assurance Review Summary
- 2020 NBIS Quality Assurance Review Summary
- 2019 NBIS Quality Assurance Review Summary
- 2018 NBIS Quality Assurance Review Summary
- 2017 NBIS Quality Assurance Review Summary
- 2016 NBIS Quality Assurance Review Summary
- 2015 NBIS Quality Assurance Review Summary
- 2014 NBIS Quality Assurance Review Summary
- 2013 NBIS Quality Assurance Review Summary
FHWA National Bridge Inspection Program Update - Illinois