Gilliam County

Cayuse Canyon Road Bridge   [Map]
Polygonal Warren pony truss bridge over Rock Creek on Cayuse Canyon Road
Open to traffic
Built 1965
John Day River Bridge   [Map · Street View]
Warren deck truss bridge over John Day River on I-84
Open to traffic
Built 1963; rehabilitated 1965
Olex Bridge   [Map]
Abandoned pratt pony truss bridge over Rock Creek
Abandoned
Built ca. 1905
UP - John Day River Bridge   [Map · Street View]
Polygonal Warren through truss bridge over John Day River on Union Pacific Railroad
Open to traffic
Built 1967