Adkisson Bridge
Concrete arch bridge over 15 Mile Creek on Boyd Loop Road
Open to traffic
Built 1925

Celilo Bridge
Vertical lift bridge over Columbia River on Oregon Trunk Railroad Line in Celilo, OR and Wishram, WA
Open to traffic
Built 1911

Deschutes River Bridge
Deck truss bridge over Deschutes River on US 197 in Maupin
Open to traffic
Built 1929

Deschutes River Bridge
Girder bridge over Deschutes River on OR-206
Open to traffic
Built 1955

Dry Canyon Creek Bridge
Concrete arch bridge over Dry Canyon Creek on Historical Columbia River Highway
Open to traffic
Built 1921

John Day River Bridge
Steel through arch bridge over John Day River on OR 218
Open to traffic
Built 1975

Mill Creek Bridge
Deck truss bridge over Mill Creek on US 26
Open to traffic
Built 1948

Mill Creek Bridge
Stringer bridge over Mill Creek on W 6th Street in City of the Dalles
Open to traffic
Built 1920; rehabilitated 2001

Mosier Creek Bridge
Concrete arch bridge over Mosier Creek on HWY 100 in Mosier
Open to traffic
Built 1920

Mosier Tunnel
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
Stringer bridge over Rock Creek on Historical Columbia River Highway in Mosier
Open to traffic
Built 1918; rehabilitated 1995

Seufert Viaduct
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
Wooden bridge over Sevenmile Creek on Sevenmile Hill Road
Open to traffic
Built 1940

The Dalles Bridge
Through truss bridge over Columbia River on US 197 in City of The Dalles
Open to traffic
Built 1954