SUBJECT: Buried Structures
This design memorandum supersedes the design memorandum dated September 3rd 2014.
This design memorandum defines WSDOT policy for use of buried structures for span lengths greater than 20 ft. read more....
If you have any questions regarding this policy memorandum, please contact Tony Allen at 709-5450,
Harvey Coffman at 570-2556,
Richard Zeldenrust at 705-7196, or
Bijan Khaleghi at 705-7181.
cc: Mark Gaines, Bridge Construction – 47354
Craig Boone, Bridge and Structures – 47340