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Bridges and Structures
The following are the reference materials for executing a consultant agreement for bridge and structural work.
Bridge Manual
Bridge Manual 2023
Bridge Manual 2012
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.
Sign Structures
Guide Bridge Special Provisions (GBSP)
GBSP's have been developed by IDOT's Bureau of Bridges and Structures in an effort to simplify the work involved in producing Special Provisions for items of work commonly associated with the design and construction of structures.
Navigate to Guide Bridge Special Provisions (GBSP) to view the provisions that are unique for bridge work.