Historic Bridges of the U.S.

Dennis L. Edwards Tunnel (Washington County, Oregon)
Built in 1940
Tunnel on US 26
Open to traffic

East Fork Humbug Creek Bridge (Clatsop County, Oregon)
Built 1934
Wooden bridge over East Fork Humbug Creek on US 26
Open to traffic

Faubion Loop Bridge (Clackamas County, Oregon)
Built 1930 on the Mt. Hood Highway, 1956 Re-alignment project removes the bridge from the Mt. Hood Highway.
Concrete deck girder bridge over Bear Creek on Faubion Loop Road in Zigzag
Open to traffic

Marks Creek Bridge (Crook County, Oregon)
Built 1939
Wooden bridge over Marks Creek on US 26
Open to traffic

Mill Creek Bridge (Wasco County, Oregon)
Built 1948
Deck truss bridge over Mill Creek on US 26
Open to traffic

Nehalem River Bridge (Clatsop County, Oregon)
Built 1939
Concrete arch bridge over Nehalem River on US 26
Open to traffic

Ross Island Bridge (Multnomah County, Oregon)
Built 1926; rehabilitated 2000-01
Steel arch bridge over Willamette River on US 26 in Portland
Open to traffic

Shitike Creek Overflow Bridge (Jefferson County, Oregon)
Built 1934, Replaced 2003
Wooden bridge over Shitike Creek Overflow on US 26
Replaced by a concrete box-culvert in 2003

Skiberene Bridge (Clatsop County, Oregon)
Built 1930
Stringer bridge over Necanicum River on U.S. 101/U.S. 26
Open to traffic

Snake River Bridge (Teton County, Wyoming)
Built 1950
Steel arch bridge over Snake River on US 26 in Hoback
Open to traffic

Vista Ridge Tunnel (Multnomah County, Oregon)
Built 1969
Pair of tunnels under Vista Ridge on US 26 in Portland
Open to traffic

West Fork Dairy Creek Bridge (Washington County, Oregon)
Built 1940
Wooden bridge over West Fork Dairy Creek on US 26
Open to traffic

West Fork Humbug Creek Bridge (Clatsop County, Oregon)
Built 1934
Wooden bridge over West Fork Humbug Creek on US 26
Open to traffic