This concrete encased beam and concrete slab bridge carries a former Illinois Central Railroad line over Inwood Avenue between Rockwell City and Yetter

Yetter, Calhoun County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1928

by

Unknown

for

Illinois Central Railroad

Design:
28' concrete encased beam and 3-16' concrete slabs

Description:
Concrete encased beam and concrete slab bridge over Inwood Avenue

Significance:

This large Pratt through truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over the Rock River in Rock Valley

Rock Valley, Sioux County, Iowa

Owner: City of Rock Valley

Status: Open to Pedestrian Traffic

Built 1930 using spans fabricated 1897

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
2-140' Pratt through trusses and timber pile trestle

Description:
Pratt through truss bridge over Rock River

Significance:

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

Templeton, 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 Jade Avenue

Significance:

This through plate girder bridge carries a former Chicago & North Western Railway mainline over McCandless Cleghorn Ditch alongside County Road K45 in Whiting

Whiting, Monona County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1906 and 1913

by

Pennsylvania Steel Company of Steelton, Pennsylvania and Unknown

for

Chicago & North Western Railway

Design:
45' through plate girder

Description:
Through plate girder bridge over McCandless Cleghorn Ditch

Significance:

This concrete encased beam bridge carries a former Illinois Central Railroad line over Xavier Avenue north of Auburn

Auburn, Sac County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1915

by

Unknown

for

Illinois Central Railroad

Design:
1-24' and 1-19' concrete encased beams

Description:
Concrete encased beam bridge over Xavier Avenue

Significance:

This standard steel stringer and timber pile trestle bridge carries a former Minneapolis & St. Louis Railway line over County Road D36 (Former US Highway 20) in Moorland

Moorland, Webster County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1930

by

Unknown

for

Minneapolis & St. Louis Railway

Design:
38' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over County Road D36 (Former US Highway 20)

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:

This deck plate girder bridge was moved from another relocation and installed here in 1937

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Open to trail traffic

Built 1905 and 1937

by

American Bridge Company of New York and Industrial Contracting Company of Minneapolis, Minnesota

for

Minneapolis & St. Louis Railway

Design:
5-30' deck plate girder viaduct

Description:
Deck plate girder bridge over Willow Creek

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 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: