Bridges and Structures Services
Support your bridge and structural projects with our extensive collection of resources, including webinars, forms, inspection guidelines, and training materials. Designed for engineers and project managers, these tools will help you effectively navigate the complexities of bridge construction and maintenance.
The following are the reference materials for executing a contract for bridge and structural work.
Bridge Manual
All Bridge Designer (ABD) Memos are directives from IDOT's Bureau of Bridges and Structures advising bridge designers on bridge design policy changes. Navigate to All Bridge Designer Memorandums to view the current listing.
Seismic Manual
Sign Structures
Need Help?
For inquiries regarding bridges and structures, refer to the contact directory of the IDOT Bureau of Bridges and Structures.