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Malheur County

Cow Creek Bridge [Map]
Pratt through truss bridge over Cow Creek on Danner Road (CR 793)
Open to traffic
Built 1924

Horseshoe Bend Bridge [Map · Street View]
Concrete stringer bridge over Malheur River on Abandoned U.S. 20
Derelict/abandoned
Built 1932

Malheur River Bridge [Map]
Double Intersection Warren through truss bridge over Malheur River on Reservoir Road
Open to traffic
Built Ca. 1910, Relocated to site 1942; rehabilitated 1995

Malheur River Bridge (Private) [Map · Street View]
Parker through truss bridge over Malheur River on Private Drive
Open to traffic
Built Ca. 1910

Nyssa Bridge [Map]
Lost Parker through truss bridge over Snake River on Old Oregon-Idaho Highway
Replaced by new bridge
Built Ca. 1900, Replaced 1957

OSL - Nyssa Pegram Truss [Map]
Lost Pegram through truss bridge over Snake River on Oregon Short Line Railroad
Replaced by a new bridge
Built 1894; Repaced 1914

OSL - Ontario Pegram Truss [Map]
Lost Pegram through truss bridge over Snake River on Oregon Short Line Railroad
Replaced by a new bridge
Built 1894; Replaced 1914, some trusses relocated

Owyhee Canal Bridge [Map · Street View]
Concrete tee beam bridge over Owyhee Canal on Owyhee Ave. C-570
Open to traffic
Built 1938

Owyhee River Bridge [Map · Street View]
Warren deck truss bridge over Owyhee River on US 95
Open to traffic
Built 1936; rehabilitated 1985

Rome Bridge [Map]
Parker through truss bridge over Owyhee River on Owyhee River Road (CR 1025)
Open to traffic
Built 1906; rehabilitated 1996

UP - Bridge Island Bridge (N) [Map]
Warren through truss bridge over Snake River on Union Pacific Railroad
Open to traffic
Built 1914

UP - Gwynn Bridge [Map · Street View]
Lost Pony plate girder bridge over Malheur River on Union Pacific Railroad
No longer exists
Built 1913; Removed sometime after 1999

UP - Horsehsoe Bend Bridge (E) [Map]
Abandoned pony/through plate girder bridge over Malheur River on Union Pacific Railroad
Abandoned

UP - Horseshoe Bend Bridge (W) [Map]
Lost Pony/through plate girder bridge over Malheur River on Union Pacific Railroad
Destroyed by flooding(?)

UP - Horseshoe Bend Tunnel [Map · Street View]
Lost Tunnel on Union Pacific Railroad
Collapsed

UP - Jonesboro Bridge [Map]
Lost Pony/through plate girder bridge over Highway 7 on Union Pacific Railroad
Removed
Built 1913; Removed sometime after 1999

UP - Malheur River Bridge #2 [Map]
Abandoned deck plate girder bridge over Malheur River on Union Pacific Railroad
Abandoned

UP - Malheur River Bridge #3 [Map]
Abandoned pony/through plate girder bridge over Malheur River on Union Pacific Railroad
Abandoned and missing a span, likely due to flooding.

UP - Malheur River Bridge #4 [Map · Street View]
Abandoned deck plate girder bridge over Malheur River on Union Pacific Railroad
Abandoned
Built 1912; Abandoned 1990

UP - Malheur River Bridge #5 [Map · Street View]
Abandoned pony/through plate girder bridge over Malheur River on Abandoned Oregon Eastern Railroad
Abandoned
Built 1912, Closed due to flooding 1984, Abandoned 1990

UP - North Fork Malheur River Bridge [Map · Street View]
Abandoned pony/through plate girder bridge over North Fork Malheur River on Abandoned Oregon Eastern Railroad
Abandoned
Built 1913, Closed to to flooding 1984, Abandoned 1990

UP - Nyssa Subway [Map · Street View]
Steel stringer bridge over U.S. 20 & 26 on Union Pacific Railroad
Open to traffic
Built 1941

UP - Ontario Subway [Map · Street View]
Steel stringer bridge over BUS US30 on Union Pacific Railroad
Open to traffic
Built 1939

UP - Snake River Bridge [Map]
Warren through truss with all verticals bridge over Snake River on Union Pacific Railroad
Open to traffic
Built 1914

UP - Snake River Slough Bridge [Map · Street View]
Warren through truss with all verticals bridge over Snake River Slough on Union Pacific Railroad
Open to traffic

UP - Tunnel [Map]
Abandoned tunnel on Union Pacific Railroad
Abandoned

WYCO - Malheur River Bridge [Map]
Pratt through truss bridge over Malheur River on Wyoming & Colorado Railroad
Open to traffic
Built 1906