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 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 deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over US Highway 169 (Jones Street) in Algona

Algona, Kossuth County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1954

by

Unknown and Amos Melberg Company of Cedar Rapids, Iowa

for

Iowa State Highway Commission and Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
1-55', 1-45' and 1-40' deck plate girder

Description:
Deck plate girder bridge over US Highway 169 (Jones Street)

Significance:

This large deck plate girder bridge carries a former Chicago & North Western Railway line over the Boone River northwest of Eagle Grove

Eagle Grove, Wright County, Iowa

Owner: Wright County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
2-80' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over Boone River

Significance:

This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Iowa Highway 4 (9th Street) in Estherville

Estherville, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1933

by

Unknown and Snyder and Johnson of Humboldt, Iowa

for

Chicago, Rock Island & Pacific Railway

Design:
44' steel stringer

Description:
Steel stringer bridge over Iowa Highway 4 (9th Street)

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over the East Fork Des Moines River southeast of Livermore

Livermore, Humboldt County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900; Rebuilt 1972 using spans fabricated c. 1900

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
1-81', 1-60', 1-50' and 1-36' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over East Fork Des Moines River

Significance:

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

Wallingford, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1888

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
12' stone arch

Description:
Stone arch bridge over unnamed creek

Significance:

This through plate girder bridge has an unknown history

Mason City, Cerro Gordo County, Iowa

Owner: Union Pacific Railroad

Status: Open to Traffic

Built ca. 1910

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
68' through plate girder

Description:
Through plate girder bridge over 1st Street

Significance:

Mason City, Cerro Gordo County, Iowa

Owner:

Status:

by

for

Design:

Description:

Significance:

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

Le Mars, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1911

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota and Widell Company of Mankato, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
60' through plate girder

Description:
Through plate girder bridge over Wolf Creek

Significance: