Adkisson Bridge[Map] Concrete arch bridge over Fifteen Mile Creek on Boyd Loop Road Open to traffic Built 1925
BNSF - Celilo Bridge[Map · Street View] Vertical lift bridge over Columbia River on Oregon Trunk Railroad Line in Celilo, OR and Wishram, WA Open to traffic Built 1912
Dry Canyon Creek Bridge[Map · Street View] Concrete arch bridge over Dry Canyon Creek on Historical Columbia River Highway Open to traffic Built 1921, Rehabilitation 2017-18.
Fifteen Mile Creek Bridge[Map] Stringer bridge over Fifteen Mile Creek on I-84 (Hwy 002) Open to traffic Built 2010
Free Bridge[Map · Street View] Lost Pratt through truss bridge over Deschutes River on Free Bridge Road Allegedly sabotaged Lost 1914
Mill Creek Bridge[Map · Street View] Cantilevered Warren deck truss bridge over Mill Creek on US 26 Open to traffic Built 1948
Mill Creek Bridge[Map · Street View] Stringer bridge over Mill Creek on W 6th Street in City of the Dalles Open to traffic Built 1920; rehabilitated 2001
Mosier Twin Tunnels[Map] Tunnel under Mosier Tunnel on Historical Columbia River Highway Trail Open to pedestrians Built 1920, Closed due to rock fall problems 1953, Reopened to public in 2000
Rock Creek Bridge[Map] Stringer bridge over Rock Creek on Historical Columbia River Highway in Mosier Open to traffic Built 1918; rehabilitated 1995
Seufert Viaduct[Map · Street View] Stringer bridge over Fifteen Mile Creek on Viewpoint Road (Historical Columbia River Highway) in The Dalles Open to traffic Built 1920
Sevenmile Hill Road Bridge[Map] Wooden bridge over Sevenmile Creek on Sevenmile Hill Road Open to traffic Built 1940