Bridges and Structures Technical Manuals

Memoranda addressed to "ALL BRIDGE DESIGNERS“ (ABD Memos) contain current information which must be considered in conjunction with the policies stated in these manuals. The latest version of the Bridges and Structures manuals are available as downloads from the table below.

Technical Manuals Last updated: May 8, 2012

Download Manuals (PDF)	Date of Last Revision	File Size (Kb)
Bridge Manual 2012	January 2012	19,951
Culvert	June 2000	4,078
Geotechnical Manual	January 1999	6,220
IDOT Drainage Manual	July 2011	26,881
Sign Structures	June, 2012	18,540
Standard Plans	Retired 7/1/2008
Structural Services	August 1999 / April 2008	4,986
Subgrade Stability Manual	May 2005	742
BCR Procedures & Practices	December 2011	468
Bridge Element Inspection Manual	November 1996	410