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 steel stringer bridge carries a former Chicago & North Western Railway mainline over County Road S14 (3rd Street) on the west side of Nevada

Nevada, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1936

by

Pittsburgh-Des Moines Steel Company of Des Moines, Iowa and John P. Abrahamson Construction Company of Des Moines, Iowa

for

Chicago & North Western Railway

Design:
28' steel stringer

Description:
Steel stringer bridge over County Road S14 (3rd Street)

Significance:

This steel stringer bridge carries a former Chicago & North Western Railway mainline over US Highway 65 on the east side of Colo

Colo, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1934

by

McClintic-Marshall Corportation of Chicago, Illinois and Zitterell-Mills Company of Webster City, Iowa

for

Chicago & North Western Railway

Design:
1-34' and 2-30' steel stringers

Description:
Steel stringer bridge over US Highway 65

Significance:

This steel stringer bridge carries a former Chicago & North Western Railway mainline over County Road R38 (500th Avenue/Y Avenue) on the west edge of Ames

Ames, Story County, Iowa to Jordan, Boone County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1941

by

Des Moines Steel Company of Des Moines, Iowa; Widell Company of Mankato, Minnesota and Unknown

for

Chicago & North Western Railway

Design:
45' steel stringer

Description:
Steel stringer bridge over County Road R38 (500th Avenue/Y Avenue)

Significance:

This large concrete arch bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over Rock Creek in Maxwell

Maxwell, Story County, Iowa

Owner: Story County Conservation Board

Status: Open to Pedestrian Traffic

Built 1912

by

Chicago, Milwaukee & St. Paul Railway

Design:
50' concrete arch

Description:
Concrete arch bridge over Rock Creek

Significance:

This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad mainline over an unnamed creek east of Nevada

Nevada, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1940

by

Unknown

for

Chicago, Rock Island & Pacific Railroad

Design:
35' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This stone arch bridge carries a former Chicago & North Western Railway line over Keigley Branch between Story City and Gilbert

Story City, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1901

by

Unknown

for

Chicago & North Western Railway

Design:
20' stone arch

Description:
Stone arch bridge over Keigley Branch

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 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 steel stringer bridge once carried a Fort Dodge, Des Moines & Southern railroad branch line over Ioway Creek (formerly Squaw Creek) in Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: Removed but not replaced

Built 1940

by

Pittsburgh-Des Moines Steel Company of Des Moines, Iowa

for

Fort Dodge, Des Moines & Southern Railroad

Design:
4-50' and 1-42' steel stringers

Description:
Lost steel stringer bridge over Ioway Creek (formerly Squaw Creek)

Significance: