Sioux County

100th Street Bridge   [Map]
Through truss bridge over Floyd River on 100th Street
Removed
Built 1955; rehabilitated 1988; removed in 2010
410th Street Bridge   [Map]
Lost through truss bridge over Floyd River on 410th Street southwest of Hospers
Replaced by a modern bridge
Built 1897 by W.W. Allen; replaced 2001
BNSF - West Branch Floyd River Bridge   [Map · Street View]
Pony/through plate girder bridge over West Branch Floyd River on Railroad (BNSF)
Open to traffic
CNW - Little Floyd River Bridge   [Map]
Lost Quadrangular lattice through truss bridge over Little Floyd River on Railroad
Replaced by a new bridge
DAIR - Big Sioux Crossing (Hawarden)   [Map]
Pratt through truss bridge over Big Sioux River on Dakota & Iowa Railroad
Open to traffic
Built 1899
DAIR - Big Sioux River Bridge   [Map]
Pratt through truss bridge over Big Sioux River on Railraod (DAIR)
Open to traffic
DAIR - Big Sioux River Bridge (Hudson)   [Map]
Warren pony truss with all verticals bridge over Big Sioux River on railroad
Open to traffic
DAIR - Fairview Bridge   [Map]
Pony truss bridge over Big Sioux River on the Dakota & Iowa Railroad
Open to railroad traffic
Built 1905 and 1911, Truss replaced 1911 spans in 1931
DAIR - Oak Ridge Bridge   [Map]
Pratt pony truss bridge over Big Sioux River on Dakota & Iowa Railroad
Open to traffic
Built 1914, Rehabilitated 2014
Floyd River Bridge   [Map]
Lost through truss bridge over Floyd River on a local road
No longer exists
Built ca. 1920; rehabilitated 1955; replaced 2001
Floyd River Bridge   [Map]
Lost Closed-spandrel arch bridge over Floyd River on Road
Replaced by a new bridge
Hudson Bridge   [Map]
Abandoned through truss bridge over Big Sioux River south of Hudson
Abandoned with one span missing
Built 1915; east span washed out 1976
Johnson Street Bridge   [Map]
Lost Pratt through truss bridge over Big Sioux River on Johnson Street
Removed; A lally column remains
Kiwanis Bridge   [Map]
Two-span through truss bridge over Rock River on Kiwians Trail
Open to pedestrians only
Built 1912, converted to pedestrian use by the Kiwanis Club
Main Street Bridge   [Map]
Lost Pratt through truss bridge over Rock River on Main Street
Replaced at some point with a concrete slab.
Sixmile Creek Bridge   [Map]
Pony truss bridge over Sixmile Creek on a local road
Replaced with a culvert
Built 1922
UP - Big Sioux River Bridge   [Map · Street View]
Three-span through truss bridge over Big Sioux River on the UPRR at Hawarden
Open to railroad traffic
Built 1907
US18 Rock Valley Bridge (Old)   [Map]
Stringer bridge over Rock River on US 18
Replaced by a new bridge
Built 1935; Replaced 2002