Grande Ronde River

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Grande Ronde River Bridge (Asotin County, Washington)
Built 1941
Steel stringer bridge over Grande Ronde River on WA 129
Open to traffic

Mckennon Lane Bridge (Union County, Oregon)
Built 1925, Replaced 2004
Truss bridge over Grande Ronde River on Mckennon Lane
Replaced by a pre-cast concrete girder bridge in 2004

Rhinehart Bridge (Union County, Oregon)
Built 1922
Warren deck truss bridge over Grande Ronde River and Idaho Northern and Pacific Railroad on Abandoned OR-82 Alignment
Closed to all traffic

Troy Bridge (Wallowa County, Oregon)
Built 1910
Pennsylvania through truss bridge over Grande Ronde River on Redmond Grade Road
Open to pedestrians

Upper Perry Arch Bridge (Union County, Oregon)
Built 1924, Rehabilitated 2008
Arch bridge over Grande Ronde River and U.P.R.R. on Old U.S. 30
Open to traffic

Yarrington Bridge (Union County, Oregon)
Built 1906, Relocated to site 1925
Through truss bridge over Grande Ronde River on Yarrington Road
Open to traffic