Railroad Bridges in Union CountySouth Dakota

Union County is located in southeast South Dakota. The seat is Elk Point, while the largest city is Dakota Dunes.
Cities

Random Bridges

BNSF SD-105 Bridge (East)
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BNSF SD-105 Bridge (East)

(Chicago, Milwaukee & St. Paul Railway Bridge #T-252 1/2)

This steel stringer bridge is the eastern crossing of South Dakota Highway 105 in North Sioux City

North Sioux City, Union County, South Dakota

Owner: BNSF Railway

Status: In Use

Built 1931

by

Unknown

for

Railroad/Original Owner: Chicago, Milwaukee, St. Paul & Pacific Railroad

Design: 35' steel stringer and trestle

Steel stringer bridge over Main Street (South Dakota Highway 105)

Significance:

Local

BNSF SD-105 Bridge (West)
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BNSF SD-105 Bridge (West)

(Chicago, Milwaukee & St. Paul Railway Bridge #T-252 1/2)

This steel stringer bridge is the western crossing of South Dakota Highway 105 in North Sioux City

North Sioux City, Union County, South Dakota

Owner: BNSF Railway

Status: In Use

Built 1931

by

Unknown

for

Railroad/Original Owner: Chicago, Milwaukee, St. Paul & Pacific Railroad

Design: 35' steel stringer and trestle

Steel stringer bridge over Main Street (South Dakota Highway 105)

Significance:

Local

DAIR Big Sioux River Bridge (Elk Point)
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DAIR Big Sioux River Bridge (Elk Point)

(Chicago, Milwaukee & St. Paul Railway Bridge #T-480)

This Pratt through truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) secondary line over the Big Sioux River between Elk Point and Westfield

Elk Point, Union County, South Dakota to Westfield, Plymouth County, Iowa

Owner: D&I Railroad

Status: In Use

Built 1908 using secondhand trusses fabricated 1900

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Railroad/Original Owner: Chicago, Milwaukee & St. Paul Railway

Design: 152' Pratt through truss, 15-16' steel stringers and 2-22' precast concrete modular girders

Pratt through truss bridge over Big Sioux River

Significance:

Regional

Hawarden Railroad Bridge (South)
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Hawarden Railroad Bridge (South)

(Chicago & North Western Railway Bridge #2601)

This quadrangular lattice through truss bridge carries a former Chicago & North Western Railway line over the Big Sioux River near 10th Street in Hawarden

Hawarden, Sioux County, Iowa to Alcester, Union County, South Dakota

Owner: D&I Railroad

Status: In Use

Built 1904 and 1913

by

Unknown and American Bridge Company (Lassig Plant)

for

Railroad/Original Owner: Chicago & North Western Railway

Design: 1-145', 2-144' quadrangular lattice through trusses and 13-50' deck plate girders

Quadrangular lattice through truss bridge over Big Sioux River

Significance:

Moderate