This Pratt through truss bridge once carried a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line across the Big Sioux River between Sioux City and North Sioux City

Sioux City, Woodbury County, Iowa to North Sioux City, South Dakota

Owner: BNSF Railway

Status: Collapsed Due to Flooding

Built 1907 using secondhand trusses fabricated 1900; Approaches Added 1931

by

Lassig Bridge & Iron Works of Chicago, Illinois and American Bridge Company of New York

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-152' Pratt through truss and 1-77', 1-40' deck plate girders

Description:
Pratt through truss bridge over Big Sioux River

Significance:

This through plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Le Mars

Le Mars, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota and James McClure of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
30' through plate girder

Description:
Through plate girder bridge over unnamed creek

Significance:

This through plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over Otter Creek south of Ashton

Ashton, Osceola County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1924

by

American Bridge Company of New York and Unknown

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
3-65' through plate girders

Description:
Through plate girder bridge over Otter Creek

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Iowa Highway 9 west of Armstrong

Armstrong, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: Closed to all Traffic

Built 1931 using a span fabricated c. 1900

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
32' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over Iowa Highway 9

Significance:

This deck plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 south of Carnes

Carnes, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1909

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
60' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

Significance:

This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Alton

Alton, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota and James McClure of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
24' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This small concrete railtop box culvert carries a former Chicago, Rock Island & Pacific Railway line over an unnamed creek east of Lake Park

Lake Park, Dickinson County, Iowa

Owner: Dickinson County

Status: Open to Pedestrian Traffic

Built 1902

by

Burlington, Cedar Rapids & Northern Railway

Design:
10'x9' concrete railtop box culvert

Description:
Concrete railtop box culvert over unnamed creek

Significance:

This small stone arch culvert carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over an unnamed creek alongside Iowa Highway 4 north of Wallingford

Wallingford, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1888

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
6' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This attractive Pratt through truss bridge carries a former Minneapolis & St. Louis Railway line over the East Fork Des Moines River in Frank Gotch State Park south of Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1901

by

Detroit Bridge & Iron Works of Detroit, Michigan and Unknown

for

Minneapolis & St. Louis Railway

Design:
159' Pratt through truss and timber pile trestle

Description:
Pratt through truss bridge over East Fork Des Moines River

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railway line over the Little Ocheyedan River in Allendorf

Allendorf, Osceola County, Iowa

Owner: Osceola County

Status: Open to Pedestrian Traffic

Built 1901

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
2-40' deck plate girders

Description:
Deck plate girder bridge over Little Ocheyedan River

Significance: