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SR 532 - Pilchuck Creek Tributary (Secret Creek) - Fish Barrier - Complete September 2016

Project Status - Complete
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A small photo of installation of the new culvert that carries Secret Creek under SR 532 near Stanwood in Snohomish County.
The new, larger culvert is installed under SR 532 near Stanwood.

A small picture showing the current Secret Creek culvert under SR 532.
The new culvert replaced this old four-foot diameter pipe that made it difficult for fish to swim up Secret Creek.

More photos of the culvert installation are available on Flickr.

WSDOT installed a new culvert to carry Secret Creek under SR 532. The new culvert measures 18 feet wide, 10 feet high, and 195 feet long and provides better passage for fish like salmon and steelhead.

How You Benefit
Leaf Glyph Protects Environment
The new culvert replaces an old four-foot diameter culvert that posed a barrier for fish. The new culvert provides about three more miles of habitat for salmon and steelhead. The streambed was also rebuilt which creates a more inviting habitat for other wildlife. Replacing the culvert helps WSDOT meet a federal court order to remove state-owned culverts that block fish passage.

Partnerships & Cooperation
WSDOT worked with the city of Stanwood, local businesses and the freight community when planning the work. 


Financial Data for PIN 153209F
Funding Source Amount ($ in thousands)
2003 Gas Tax (Nickel Funding) $0
2005 Gas Tax (TPA) $1,767
Pre-Existing Funds (PEF) $1,623
CWA $0
Total $3,391

Contact Us
WSDOT communications
15700 Dayton Avenue N.
Seattle, WA 98133

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