This large deck plate girder bridge carries a former Chicago & North Western Railway mainline over the South Skunk River on the east side of Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900 and 1949

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin; American Bridge Company of New York and Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
1-110', 1-75' deck plate girder and 1-20' and 1-18' steel stringers

Description:
Deck plate girder bridge over South Skunk River

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 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 through plate girder bridge carried a former Chicago & North Western Railway line over Ioway (formerly Squaw) Creek in Ames

Ames, Story County, Iowa

Owner: City of Ames

Status: Replaced by a new bridge

Built 1918

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
75' through plate girder and timber pile trestle

Description:
Through plate girder bridge over Ioway (formerly Squaw) Creek

Significance:

This steel stringer bridge carries a former Chicago & North Western Railway mainline over Grand Avenue (US Highway 69) near downtown Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1938

by

American Bridge Company of New York and Ben Cole & Son of Ames, Iowa

for

Chicago & North Western Railway

Design:
1-50' and 2-20' steel stringers

Description:
Steel stringer bridge over Grand Avenue (US Highway 69)

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

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900; rebuilt c. 1960 using spans fabricated 1898

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin and Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
3-75' deck plate girders

Description:
Deck plate girder bridge over Ioway Creek

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: