This unique deck plate girder swing bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the channel between East and West Okoboji Lakes

Okoboji, Dickinson County, Iowa

Owner: Iowa Department of Natural Resources

Status: Open to Pedestrian Traffic

Built 1890 and c. 1965

by

Lassig Bridge & Iron Works of Chicago, Illinois and Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
83' deck plate girder swing span, 2-30' steel stringers and timber pile trestle

Description:
Deck plate girder swing bridge over East-West Okoboji Lake Channel

Significance:

This Pratt pony truss bridge crosses the Cedar River with two distinctively different sized spans

Charles City, Floyd County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1897

by

J.G. Wagner Company of Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
2 span pin-connected Pratt pony truss

Description:
Pratt pony truss bridge over Cedar River

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 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 crosses Cheslea Creek along County Road S42

Mason City, Cerro Gordo County, Iowa

Owner: Cerro Gordo County

Status: Abandoned

Built ca. 1930

by

Unknown

for

Chicago Great Western Railway

Design:
Steel and timber stringer

Description:
Steel and timber stringer bridge over Cheslea Creek

Significance:

This partially demolished historic Pratt through truss bridge carried the Illinois Central Railroad Onawa Branch across the Little Sioux River on the south side of Correctionville

Correctionville, Woodbury County, Iowa

Owner: Woodbury County

Status: Open to Pedestrian Traffic; North Span and Approaches Replaced

Built 1887 and 1911 using a span fabricated 1881

by

Union Bridge Company of Buffalo, New York; Keystone Bridge Company of Pittsburgh, Pennsylvania and Unknown

for

Illinois Central Railroad

Design:
1-150', 1-123' Pratt through trusses and timber pile trestle

Description:
Pratt through truss bridge over Little Sioux River

Significance:

This through plate girder bridge carries the former Illinois Central Railroad mainline over an abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line in Storm Lake

Storm Lake, Buena Vista County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1899

by

American Bridge Works of Chicago, Illinois and Unknown

for

Illinois Central Railroad

Design:
34' through plate girder

Description:
Through plate girder bridge over abandoned Chicago, Milwaukee, St. Paul & Pacific Railroad

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 abandoned Pratt through truss bridge carries the former Illinois Central Railroad Onawa Branch over the Little Sioux River south of Cherokee

Cherokee, Cherokee County, Iowa

Owner: Private Owner

Status: Abandoned

Built 1887

by

Union Bridge Company of Buffalo, New York and Unknown

for

Illinois Central Railroad

Design:
150' Pratt through truss and timber pile trestle

Description:
Pratt through truss bridge over Little Sioux 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: