Soundview Dr NW Culvert Replacement

August 2022 Update

Construction is expected to begin on August 8 and wrap up in early September. 


Snohomish County is replacing a culvert under Soundview Dr NW, in the Warm Beach area. The existing culvert is deemed a fish-passage barrier. The new box culvert was designed to meet fish passage standards. This project will connect Lake Martha Creek to a small Port Susan estuary that the Tulalip Tribes restored in 2019. Stream channel restoration will also be completed. The project will increase fish access to upstream habitat.


Construction is expected to begin August 8 and finish in September. Construction crews will be working Monday – Friday during daylight hours.

Traffic Impact

This project requires a full 24/7 road closure during construction (see map).


The estimated cost for this culvert replacement is about $500,000 and will be funded by Surface Water Utility funds.