2024-03 TM Detail Manual Revision Chapter 1 2024 03 SIGNED.pdf
Technical Memorandums
These technical memorandums are issued when expediency is required or as a means for introducing new policy and procedures. Technical memorandums defining policy shall govern over the associated Staff Bridge Manual and the AASHTO specifications. 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.
September 2019 - Added cross-section files for Colorado Bulb Tees
March 2008 - The allowable loads on the Colorado Bridge Weight Limit Map apply to vehicles of standard width. The attached table is provided to show the allowable loads for vehicles that are extra wide. The purpose of the table is to allow permit writers and trucking companies to readily evaluate the Colorado Bridge Weight Limit Map for over-wide vehicles.