Nenana, Alaska

Alaska - Mears Memorial Bridge (Yukon-Koyukuk Census Area, Alaska)
Built 1923
Pennsylvania through truss bridge over Tanana River on single track of the Alaska Railroad in Nenana
Open to traffic

Tanana River Bridge (Yukon-Koyukuk Census Area, Alaska)
Built 1967
Parker through truss bridge over Tanana River At Nenana on Parks Highway
Open to traffic