Improving fish passage

State highways cross streams and rivers in thousands of places in Washington State, which can impede fish migration. WSDOT has worked for more than two decades to improve fish passage and reconnect streams to help keep our waterways healthy. WSDOT Fish Barrier Correction is a priority. Learn more in the latest Fish Passage Annual Report (pdf 5.1 mb)

Find Fish Passage Projects

Fish Passage Barriers Map - Screen capture of our interactive map
View Interactive Map

 

Before Photo

This undersized double culvert at North Fork Issaquah Creek was a barrier to fish passage.

This undersized double culvert at North Fork Issaquah Creek was a barrier to fish passage.

After Photo

The new culvert at North Fork Issaquah Creek, built in 2017, provides access to Chinook, sockeye, and coho salmon, steelhead, searun cutthroat, and resident trout.

The new culvert at North Fork Issaquah Creek, built in 2017, provides access for Chinook, sockeye, and coho salmon, steelhead, searun cutthroat, and resident trout.