Pilchuck Creek

A map showing the location of a culvert under SR 9 that will be replaced.

In September 2021 WSDOT will replace a culvert that is failing underneath SR 9 in north Snohomish County near the North Centennial Trail Trailhead. The project will require a five-day closure of SR 9, including vehicles, bicycles and pedestrians. A signed detour will be in place.


SR 9 - Unnamed Tributary to Pilchuck Creek - Fish Passage

Project news

  • Construction is scheduled for 2021.
  • Crews will fully close SR 9 between Skagit and Snohomish counties on Monday, Sept. 13 at 6 a.m. through Saturday, Sept. 18 at 6 a.m. to complete this work. The detour is lengthy.
  • For updates on this and other Snohomish County highway news, sign up for weekly emails.

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