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:

This stone arch bridge carries a former Chicago & North Western Railway mainline over Richards Creek on the east side of Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900

by

Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
15' stone arch

Description:
Stone arch bridge over Richards 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 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 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 through plate girder bridge carries a former Chicago & North Western Railway mainline over Stange 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 1963

by

Unknown and Welden Bros. of Iowa Falls, Iowa

for

Chicago & North Western Railway

Design:
74' through plate girder

Description:
Through plate girder bridge over Stange Road

Significance:

This through and deck plate girder bridge carries a former Chicago & North Western Railway mainline over East Indian Creek and Union Pacific Railroad (Former Chicago, Rock Island & Pacific Railway) east of Nevada

Nevada, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900 and 1902

by

American Bridge Company of New York; Widell Company of Mankato, Minnesota and Unknown

for

Chicago & North Western Railway

Design:
68' deck plate girder and 68' through plate girder

Description:
Through and deck plate girder bridge over East Indian Creek and Union Pacific Railroad (Former Chicago, Rock Island & Pacific Railway)

Significance:

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 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: