Malheur County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
Cow Creek BridgeOld ION Highway over Cow CreekOpen to trafficPratt through truss1924--79.080.0
Horseshoe Bend BridgeAbandoned U.S. 20 over Malheur RiverClosed to all trafficConcrete stringer1932--55.1170.9
Malheur River BridgeReservoir Road over Malheur RiverOpen to trafficDouble-intersection Warren through truss1942--124.0125.0
Malheur River Bridge (Private)Private Drive over Malheur RiverOpen to trafficParker through truss----160.0160.0
Nyssa BridgeOld Oregon-Idaho Highway over Snake RiverReplaced by new bridgeParker through truss--1957170.0680.0
OSL - Nyssa Pegram TrussOregon Short Line Railroad over Snake RiverReplaced by a new bridgePegram through truss18941914----
OSL - Ontario Pegram TrussOregon Short Line Railroad over Snake RiverReplaced by a new bridgePegram through truss18941914----
Owyhee Canal BridgeOwyhee Ave. C-570 over Owyhee CanalOpen to trafficConcrete tee beam1938--38.158.1
Owyhee River BridgeUS 95 over Owyhee RiverOpen to trafficWarren deck truss with alternating verticals1936--120.1334.0
Rome BridgeOwyhee River Road (CR 1025) over Owyhee RiverOpen to trafficParker through truss1906--149.9279.9
UP - Bridge Island Bridge (N)Union Pacific Railroad over Snake RiverOpen to trafficWarren through truss1914--110.0440.0
UP - Gwynn BridgeUnion Pacific Railroad over Malheur RiverNo longer existsPony/through plate girder1913--79.1307.1
UP - Horsehsoe Bend Bridge (E)Union Pacific Railroad over Malheur RiverAbandonedPony/through plate girder--------
UP - Horseshoe Bend Bridge (W)Union Pacific Railroad over Malheur RiverDestroyed by flooding(?)Pony/through plate girder--------
UP - Horseshoe Bend TunnelUnion Pacific Railroad under CollapsedTunnel--------
UP - Jonesboro BridgeUnion Pacific Railroad over Highway 7RemovedPony/through plate girder1913--87.9277.9
UP - Malheur River Bridge #2Union Pacific Railroad over Malheur RiverAbandonedDeck plate girder--------
UP - Malheur River Bridge #3Union Pacific Railroad over Malheur RiverAbandoned and missing a span, likely due to flooding.Pony/through plate girder--------
UP - Malheur River Bridge #4Union Pacific Railroad over Malheur RiverAbandonedDeck plate girder1912------
UP - Malheur River Bridge #5Union Pacific Railroad over Malheur RiverAbandonedPony/through plate girder1912--100.0300.0
UP - North Fork Malheur River BridgeAbandoned Oregon Eastern Railroad over North Fork Malheur RiverAbandonedPony/through plate girder1912--90.0180.0
UP - Nyssa SubwayUnion Pacific Railroad over U.S. 20 & 26Open to trafficSteel stringer1941--51.851.8
UP - Ontario SubwayUnion Pacific Railroad over BUS US30Open to trafficSteel stringer1939--101.1101.1
UP - Snake River BridgeUnion Pacific Railroad over Snake RiverOpen to trafficWarren through truss with all verticals1914--110.0885.0
UP - Snake River Slough BridgeUnion Pacific Railroad over Snake River SloughOpen to trafficWarren through truss with all verticals----110.0220.0
UP - TunnelUnion Pacific Railroad under AbandonedTunnel--------
WYCO - Malheur River BridgeWyoming & Colorado Railroad over Malheur RiverOpen to trafficPratt through truss1906------