Transportation Structures Preservation Manual

Publication Number
M 23-11
Publication Version
M 23-11.01
Publication Date
Bridge & Structures Bridge Administration Section

The purpose of this document is to assign responsibilities for the inventory, inspection, rating, maintenance, and damage repair of the department’s transportation structures and for the analysis of their structural capacity to carry loads. Guidance for the department’s responsibilities in the inventory and inspection of local agency-owned bridges; and cooperative inspection, rating and maintenance of bridges between Washington and other states or agencies is also included.

14 fish passage projects were completed in 2020

improving access to 54.2 miles of upstream habitat.

11,959 incidents responded to

by WSDOT’s incident Response teams during second quarter of 2021, 15% more than same quarter in 2020.

41 Pre-existing Funds Projects Advertised

during the eighth quarter of the 2019-2021 biennium.