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 standard steel stringer bridge carries a former Chicago & North Western Railway line over Oak Street in Algona

Algona, Kossuth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1911

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
24' steel stringer

Description:
Steel stringer bridge over Oak Street

Significance:

This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Alton

Alton, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota and James McClure of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
24' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over White Pole Road (Former US Highway 6) east of Menlo

Menlo, Guthrie County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1930

by

Unknown and Ross Construction Company of Kansas City, Missouri

for

Chicago, Rock Island & Pacific Railway

Design:
38' steel stringer

Description:
Steel stringer bridge over White Pole Road (Former US Highway 6)

Significance:

This deck plate girder bridge crosses the Shell Rock River on the northeast side of Plymouth

Plymouth, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1909

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-70' Type A4 deck plate girder

Description:
Deck plate girder bridge over Shell Rock River

Significance:

This tall deck plate girder viaduct carries a former Fort Dodge, Des Moines & Southern Railroad line over Bass Point Creek north of Boone

Boone, Boone County, Iowa

Owner: Boone and Scenic Valley Railroad

Status: In Use

Built 1913

by

American Bridge Company of New York and Albert W. Merrick of Boone, Iowa

for

Fort Dodge, Des Moines & Southern Railway

Design:
6-80', 1-48' and 8-32' deck plate girders

Description:
Deck plate girder viaduct over Bass Point Creek

Significance:

This steel stringer bridge carries a former Great Northern Railway mainline over US Highway 18 west of Hull

Hull, Sioux County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1939

by

Unknown and Bonesteel & Hyde of Watertown, South Dakota

for

Great Northern Railway

Design:
3-40' steel stringers

Description:
Steel stringer bridge over US Highway 18

Significance:

This steel stringer and timber pile trestle bridge carries a former Chicago Great Western Railway mainline over L Street in Fort Dodge

Fort Dodge, Webster County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1964

by

Unknown

for

Chicago Great Western Railway

Design:
46' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over L Street

Significance:

This unique double intersection Warren deck truss bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over the East Fork Des Moines River west of Armstrong

Armstrong, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: Closed to all Traffic

Built 1899 using a span fabricated c. 1885

by

Unknown and American Bridge Company of New York

for

Burlington, Cedar Rapids & Northern Railway

Design:
90' double intersection Warren deck truss and steel stringer

Description:
Double intersection Warren deck truss bridge over East Fork Des Moines River

Significance:

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: