Nehalem River
View Exhibit mapThe Nehalem River is a coastal river draining the Oregon Coast Range in the northwest corner of the state. The river resides in one of the wettest areas in the continental United States with areas of the drainage receiving over 100-inches of precipitation per year.
The river features many crossings that provide representative examples of early bridge technologies utilized in the state of Oregon.
Bridge Lane Bridge (Private) (Clatsop County, Oregon)
Polygonal Warren pony truss with alternating verticals bridge over North Fork Nehalem River on Bridge LaneOpen to traffic
Mohler Bridge (Tillamook County, Oregon)
Built 1926Polygonal Warren pony truss bridge over Nehalem River on OR 53Open to traffic
Nehalem River Bridge (Clatsop County, Oregon)
Built 1939Concrete arch bridge over Nehalem River on US 26Open to traffic
Nehalem River Bridge (Columbia County, Oregon)
Built 1938Parker through truss bridge over Nehalem River on OR 47 in VernoniaOpen to traffic
Nehalem River Bridge (Columbia County, Oregon)
Built 1973Stringer bridge over Nehalem River on Timber RoadOpen to traffic
Nehalem River Bridge (Tillamook County, Oregon)
Built 1922, Replaced with post-tensioned box girder in 1984.Lost swing bridge over Nehalem RiverNo longer exists
POTB - Nehalem River Bridge (Tillamook County, Oregon)
Originally built for the Central Pacific over the Truckee River at Verdi, California.Through truss bridge over Nehalem River on Port of Tillamook Bay RailroadOpen