Active Bridge Design Manual Memorandums
Bridge design memorandums are issued as interim updates to the Bridge Design Manual (M 23-50). Active design memorandums supersede the contents of the Bridge Design Manual and are currently in force.
Number | Date | Subject |
---|---|---|
2024-06 | 9/13/2024 | Electronic File Sharing Policy (PDF 834KB) |
2024-05 | 9/13/2024 | New State Legal Truck (PDF 934KB) |
2024-04 | 7/29/2024 | Bridge Design Manual (LRFD) M 23-50.23, July 2024 (PDF 200KB) |
2024-02 | 4/19/2024 | Buried Structure Standard Plan Implementation Updates (PDF 42MB) |
166,800 electric vehicle
registrations in Washington in 2023, up from 114,600 in 2022.
87 wetland compensation sites
actively monitored on 918 acres in 2023.
25,000 safe animal crossings
in the Snoqualmie Pass East Project area since 2014.