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 Seney

Seney, 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:
20' steel stringer

Description:
Steel stringer 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 south of Carnes

Carnes, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1901

by

American Bridge Company of New York (Lassig Plant) and James McClure of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
20' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This Parker and Pratt through truss bridge east of Moingona was the original crossing of the Des Moines River along the Chicago & North Western Railway mainline across Iowa

Moingona, Boone County, Iowa

Owner: United States of America

Status: Removed but not replaced

Built 1894

by

Unknown

for

Chicago & North Western Railway

Design:
200' Parker through truss, 160' Pratt through truss and 4-80' deck plate girders

Description:
Parker and Pratt through truss bridge over Des Moines River

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over 490th Street east of Hancock

Hancock, Pottawattamie County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1951-52

by

American Bridge Company of New York; Unknown and Iowa Bridge Company of Des Moines, Iowa

for

Chicago, Rock Island & Pacific Railroad

Design:
1-45' and 2-35' deck plate girders

Description:
Deck plate girder bridge over 490th Street

Significance:

This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) branch line over Sifford Creek along US Highway 71 south of Exira

Exira, Audubon County, Iowa

Owner: Audubon County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1940 using a span fabricated c. 1910

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
28' steel stringer and timber pile trestle

Description:
Steel stringer bridge over Sifford Creek

Significance:

This unique double intersection Warren deck truss bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over the East Fork Des Moines River west of Armstrong

Armstrong, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: Closed to all Traffic

Built 1899 using a span fabricated c. 1885

by

Unknown and American Bridge Company of New York

for

Burlington, Cedar Rapids & Northern Railway

Design:
90' double intersection Warren deck truss and steel stringer

Description:
Double intersection Warren deck truss bridge over East Fork Des Moines River

Significance:

This concrete encased beam and concrete slab bridge carries a former Illinois Central Railroad line over Fletcher Avenue (County Road N33) and an unnamed creek east of Yetter

Yetter, Calhoun County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1913

by

Unknown

for

Illinois Central Railroad

Design:
24' concrete encased beam and 2-14' concrete slabs

Description:
Concrete encased beam and concrete slab bridge over Fletcher Avenue and unnamed creek

Significance:

This small stone arch culvert carries a former Chicago & North Western Railway mainline over a sidewalk on the north side of the Iowa State University campus

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1901

by

Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
8' stone arch culvert

Description:
Stone arch culvert over sidewalk

Significance:

This stone arch bridge carries an abandoned Chicago & North Western Railway line over Honey Creek at Linwood Cemetery in Boone

Boone, Boone County, Iowa

Owner: City of Boone

Status: Abandoned

Built 1879

by

Unknown

for

Chicago & North Western Railway

Design:
20' stone arch

Description:
Abandoned stone arch bridge over Honey Creek

Significance:

This deck plate girder bridge carries a former Illinois Central Railroad mainline over the Des Moines River on the north side of Fort Dodge

Fort Dodge, Webster County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1965 and 1999

by

Bethlehem Steel Company of Bethlehem, Pennsylvania and Unknown

for

Illinois Central Railroad

Design:
4-99' deck plate girders

Description:
Deck plate girder bridge over Des Moines River

Significance: