156th St SE Drainage Pipe Replacement

Description - Completed

Snohomish County replaced a failing 24-inch drainage pipe that crosses 156th St SE in the 8500 block. The new pipe is 36 inches to accommodate a higher capacity.


Construction took place in August, 2022 and lasted about two weeks.

Traffic Impact

This project required a two-week full-road closure. See map for detour route.


This project cost $76,000, funded by Surface Water Management Utility fees.