Columbia River Bridge (Douglas County, Washington)
Built 1962Steel through arch bridge over Columbia River on US 97Open to traffic
Knapps Hill Tunnel (Chelan County, Washington)
Built 1936Tunnel under Knapps Hill on Alt US 97Open to traffic
Rex T. Barber Bridge (Jefferson County, Oregon)
Built 2000 by Kiewit Pacific CompanyConcrete arch bridge over Crooked River on US 97Open to traffic
Sam Hill Memorial Bridge (Sherman County, Oregon)
Built 1962, Deck and rail replacement 2008Through truss bridge over Columbia River on US 97Open to traffic