This design memorandum supersedes the August 30, 2014 Design Memorandum. This design memorandum defines WSDOT policy for bridge traffic barrier design and detailing requirement related to the Washington State Department of Labor and Industries (WAC 296-155-24609, WAC 296-155-24611, and WAC 296-155-24615 2a), and July 2014 AASHTO Resolution for fall protection.   read more....

If you have any questions regarding this issue, please contact Bijan Khaleghi at 705-7181.

cc:   Mark Gaines, Bridge Construction – 47354