Bridge Design Manual Memorandums
These memorandums introduce and document changes to the CDOT Bridge Design Manual. Note: Notification memorandums will be retired after about a year. Memorandums that include policy will be retired after the policy is added to the appropriate bridge manual.
April 2021 - The CDOT Bridge Design Manual (BDM) has been updated to correct and clarify the manual
February 2020 - The CDOT Bridge Design Manual (BDM) has been updated to correct and clarify the manual, including bridge rail additions. Revisions include: Policies and Procedures, Sections 1 through 6, Sections 9 through 14, Sections 32, 33, 35 through 39, and Examples 10 and 11
January 209 - The CDOT Bridge Design Manual (BDM) has been updated to comply with AASHTO LRFD Bridge Design Eighth Edition references as well as to correct and clarify the manual. The following sections have been updated: Policies and Procedures Sections 2 through 6 Sections 9 through 14 Sections 31 through 33 Sections 36 through 37 Examples
January 2018 - The new LRFD version of the CDOT Bridge Design Manual (BDM) has been slightly revised and is now mandatory. The historical non-LRFD manual has been removed from the website and should not be used.