Sioux County

NameLocationStatusDesignYear BuiltYear LostSpan Length (ft.)Total Length (ft.)
100th Street Bridge100th Street over Floyd RiverRemovedThrough truss1955ca. 2010149.0149.0
410th Street Bridge410th Street over Floyd RiverReplaced by a modern bridgePratt through truss18972001----
BNSF - US 75 OverpassBNSF Railway over US 75Open to trafficSteel stringer--------
BNSF - West Branch Floyd River BridgeRailroad (BNSF) over West Branch Floyd RiverOpen to trafficPony/through plate girder--------
Calliope BridgeJohnson Street over Big Sioux RiverRemoved; A lally column remainsPratt through truss--1969----
CNW - Floyd River BridgeRailroad over Floyd RiverReplaced by a new bridgeQuadrangular lattice through truss--------
DAIR - Big Sioux Crossing (Hawarden)Dakota & Iowa Railroad over Big Sioux RiverOpen to trafficPratt through truss1894--135.0585.0
DAIR - Big Sioux River BridgeDakota & Iowa Railroad over Big Sioux RiverOpen to railroad trafficQuadrangular lattice through truss1904--150.01097.0
DAIR - Big Sioux River Bridge (Hudson)Railroad over Big Sioux RiverOpen to trafficWarren pony truss with all verticals1927------
DAIR - Fairview BridgeDakota & Iowa Railroad over Big Sioux RiverOpen to railroad trafficWarren pony truss1932--138.0570.0
DAIR - Oak Ridge BridgeDakota & Iowa Railroad over Big Sioux RiverOpen to trafficPratt pony truss1914--125.0805.0
Dry Creek Tanker Car CulvertCleveland Avenue over Dry CreekOpen to trafficCulvert2013------
Floyd River BridgeLocal road over Floyd RiverNo longer existsThrough trussca. 19202001124.0190.0
Floyd River BridgeRoad over Floyd RiverReplaced by a new bridgeClosed-spandrel arch--------
Hudson BridgeBridge over Big Sioux RiverAbandoned with one span missingPratt through truss1915------
Kiwanis BridgeKiwians Trail over Rock RiverOpen to pedestrians onlyPratt through truss1911--144.0655.0
LaSalle BridgeLaSalle over Indian CreekOpen to trafficUnknown--------
Main Street BridgeMain Street over Rock RiverReplaced at some point with a concrete slab.Pratt through truss--------
Sixmile Creek BridgeLocal road over Sixmile CreekReplaced with a culvertPony truss1922--60.060.0
UP - Bridge #217.54Union Pacific Railroad over Tributary of Floyd RiverOpen to trafficDeck plate girder1912--30.030.0
UP - Bridge #219.97Union Pacific Railroad over Unnamed CreekOpen to trafficSteel stringer----24.024.0
UP - Bridge #223.15Union Pacific Railroad over Tributary of Floyd RiverOpen to trafficSteel stringer----24.024.0
UP - Bridge #224.30Union Pacific Railroad over Tributary of Floyd RiverOpen to trafficSteel stringer----24.024.0
UP - Bridge #224.73Union Pacific Railroad over Tributary of Floyd RiverOpen to trafficSteel stringer----24.024.0
UP - Bridge #228.45Union Pacific Railroad over Unnamed CreekOpen to trafficStone arch----6.06.0
UP - Bridge #229.04Union Pacific Railroad over Unnamed CreekOpen to trafficSteel stringer----20.020.0
UP - Bridge #232.93Union Pacific Railroad over Farm PassOpen to trafficPony/through plate girder----30.030.0
UP - Bridge #233.38Union Pacific Railroad over Unnamed CreekOpen to trafficSteel stringer----20.020.0
UP - Floyd River BridgeUnion Pacific Railroad over Floyd RiverDestroyed by disasterDeck plate girder--201860.0219.0
UP - Floyd River Tributary BridgeUnion Pacific Railroad over Tributary of Floyd RiverOpen to trafficDeck plate girder----60.060.0
US18 Rock Valley Bridge (Old)US 18 over Rock RiverReplaced by a new bridgeSteel stringer1935200282.0462.0