Columbia River Bridge (Douglas County, Washington)
Built 1962
Steel through arch bridge over Columbia River on US 97
Open to traffic
Built 1962
Steel through arch bridge over Columbia River on US 97
Open to traffic
Knapps Hill Tunnel (Chelan County, Washington)
Built 1936
Tunnel under Knapps Hill on Alt US 97
Open to traffic
Built 1936
Tunnel under Knapps Hill on Alt US 97
Open to traffic
Old Spring Creek Bridge (Klamath County, Oregon)Built 1948, Replaced 2005
Concrete tee beam bridge over Spring Creek on US 97
Replaced by the New Spring Creek Bridge in 2005
Rex T. Barber Bridge (Jefferson County, Oregon)Built 2000 by Kiewit Pacific Company
Concrete arch bridge over Crooked River on US 97
Open to traffic
Sam Hill Memorial Bridge (Sherman County, Oregon)Built 1962, Deck and rail replacement 2008
Through truss bridge over Columbia River on US 97
Open to traffic