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 was built by the Phoenix Bridge Company

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Open to trail traffic

Built 1902

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

Iowa Central Railroad

Design:
65' through plate girder

Description:
Through plate girder bridge over Elm Drive

Significance:

This unique through plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over an abandoned Chicago & North Western Railway line in Forest City

Forest City, Hancock County, Iowa

Owner: North Central Iowa Rail Corridor

Status: In Use

Built 1903

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
37' through plate girder and timber pile trestle

Description:
Through plate girder bridge over abandoned Chicago & North Western Railway

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over 420th Street west of Hancock

Hancock, Pottawattamie County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1952 using spans fabricated 1899

by

Lassig Bridge & Iron Works of Chicago, Illinois; American Bridge Company of New York; Unknown and Iowa Bridge Company of Des Moines, Iowa

for

Chicago, Rock Island & Pacific Railroad

Design:
1-65' and 2-44' deck plate girders

Description:
Deck plate girder bridge over 420th Street

Significance:

This deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the West Fork Des Moines River west of Emmetsburg

Emmetsburg, Palo Alto County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built c. 1930

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
2-75' deck plate girders and concrete modular girder

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

Significance:

This massive Baltimore deck truss and deck plate girder viaduct carries a former Chicago Great Western Railway mainline high above the Des Moines River in Fort Dodge

Fort Dodge, Webster County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1901-03

by

American Bridge Company of New York; Bates & Rogers Construction Company of Chicago, Illinois and Kelly-Atkinson Construction Company of Chicago, Illinois

for

Chicago Great Western Railway

Design:
4-219' Baltimore deck trusses, 15-75' and 15-38' deck plate girders

Description:
Baltimore deck truss bridge over Des Moines River

Significance:

This brick lined concrete arch bridge carries a former Chicago, Rock Island & Pacific Railway line over the West Branch Little Sioux River west of Lake Park

Lake Park, Dickinson County, Iowa

Owner: Dickinson County

Status: Open to Pedestrian Traffic

Built 1900

by

Burlington, Cedar Rapids & Northern Railway

Design:
21' brick lined concrete arch

Description:
Brick lined concrete arch bridge arch bridge over West Branch Little Sioux River

Significance:

This standard concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over Robin Avenue east of Dedham

Dedham, Carroll County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
20' concrete slab

Description:
Concrete slab bridge over Robin Avenue

Significance:

This deck plate girder bridge carries a former Chicago & North Western Railway mainline over 6th Street in Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900

by

Unknown and Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
60' deck plate girder

Description:
Deck plate girder bridge over 6th Street

Significance:

This stone arch bridge carries a former Chicago & North Western Railway mainline over Clear Creek on the northwest side of the Iowa State University campus in Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1882 and 1901

by

Unknown and Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
16' stone arch

Description:
Stone arch bridge over Clear Creek

Significance: