This deck plate girder bridge was built in 1951 to replace an older bridge of similar design

Mason City, Cerro Gordo County, Iowa

Owner: Union Pacific Railroad

Status: Open to Traffic

Built 1951

by

American Bridge Company of New York

for

Chicago Great Western Railway

Design:
2-89' deck plate girder and trestle

Description:
Deck plate girder bridge over Winnebago River

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Iowa Highway 9 west of Armstrong

Armstrong, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: Closed to all Traffic

Built 1931 using a span fabricated c. 1900

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
32' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over Iowa Highway 9

Significance:

This unique through plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over an abandoned Chicago & North Western Railway line in Forest City

Forest City, Hancock County, Iowa

Owner: North Central Iowa Rail Corridor

Status: In Use

Built 1903

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
37' through plate girder and timber pile trestle

Description:
Through plate girder bridge over abandoned Chicago & North Western Railway

Significance:

This deck plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Mallard Avenue in Seney

Seney, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1913

by

American Bridge Company of New York and Cleary-White Construction Company of Chicago, Illinois

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
40' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

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 small concrete slab bridge carries a former Chicago Great Western Railway line over Wright County Ditch #15 on the southwest side of Eagle Grove

Eagle Grove, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1910

by

Unknown

for

Chicago Great Western Railway

Design:
12' concrete slab

Description:
Concrete slab bridge over Wright County Ditch #15

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Prairie Creek northwest of West Bend

West Bend, Palo Alto County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1903

by

American Bridge Company of New York

for

Burlington, Cedar Rapids & Northern Railway

Design:
4-40' deck plate girders

Description:
Deck plate girder bridge over Prairie Creek

Significance:

This deck plate girder bridge carries a former Chicago & North Western Railway line over the South Skunk River along Iowa Highway 175 in Ellsworth

Ellsworth, Hamilton County, Iowa

Owner: Hamilton County

Status: Open to Pedestrian Traffic

Built 1904

by

Unknown

for

Chicago & North Western Railway

Design:
3-75' deck plate girders

Description:
Deck plate girder bridge over South Skunk River

Significance:

This Pratt pony truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the Little Sioux River in Spencer

Spencer, Clay County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1901

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
105' Pratt pony truss and 2-50' through plate girders

Description:
Pratt pony truss bridge over Little Sioux River

Significance:

This through plate girder bridge features some decorative features

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Open to Trail Traffic

Built 1902

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

Iowa Central Railroad

Design:
50' through plate girder and steel stringer

Description:
Through plate girder bridge over State Street

Significance: