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

Manning, 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 Eagle Avenue

Significance:

This large quadrangular lattice through truss bridge once carried a Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over the Raccoon River at Booneville

Booneville, Dallas County, Iowa

Owner: Iowa Interstate Railroad

Status: Replaced by a new bridge

Built 1900

by

Lassig Bridge & Iron Works of Chicago, Illinois and Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
4-147' quadrangular lattice through truss and 1-20' and 1-10' steel stringer

Description:
Quadrangular lattice through truss bridge over Raccoon River

Significance:

This large stone arch bridge carries a former Chicago & North Western Railway line over Crooked Creek on the east side of Rolfe

Rolfe, Pocahontas County, Iowa

Owner: Pocahontas County Conservation Board

Status: Open to Pedestrian Traffic

Built 1903

by

Unknown

for

Chicago & North Western Railway

Design:
20' stone arch

Description:
Stone arch bridge over Crooked Creek

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:

This large deck plate girder bridge carries a former Fort Dodge, Des Moines & Southern Railroad line over the Des Moines River south of Fraser

Fraser, Boone County, Iowa

Owner: Boone and Scenic Valley Railroad

Status: In Use

Built 1915 and 1923

by

American Bridge Company of New York; Ferro Construction Company of Chicago, Illinois and Unknown

for

Fort Dodge, Des Moines & Southern Railway

Design:
7-96' and 1-60' deck plate girders

Description:
Deck plate girder bridge over Des Moines River

Significance:

This through plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over Willow Creek on the north side of of Le Mars

Le Mars, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1938 using a span fabricated c. 1915

by

American Bridge Company of New York

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
60' through plate girder and concrete modular girder

Description:
Through plate girder bridge over Willow Creek

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 concrete encased beam bridge carries a former Chicago & North Western Railway mainline over Haber Road on the north side of the Iowa State University campus in Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1938

by

Unknown and Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
18' concrete encased beam

Description:
Concrete encased beam bridge over Haber Road

Significance:

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 deck plate girder bridge carries a former Chicago & North Western Railway line over Brewers Creek along Ohio Street in Webster City

Webster City, Hamilton County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1903

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
3-35' deck plate girders

Description:
Deck plate girder bridge over Brewers Creek

Significance: