This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Iowa Highway 4 (9th Street) in Estherville

Estherville, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1933

by

Unknown and Snyder and Johnson of Humboldt, Iowa

for

Chicago, Rock Island & Pacific Railway

Design:
44' steel stringer

Description:
Steel stringer bridge over Iowa Highway 4 (9th Street)

Significance:

This stone arch culvert carries a former Chicago & North Western Railway line over an unnamed creek on the north side of Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

Unknown

for

Chicago & North Western Railway

Design:
10' stone arch culvert

Description:
Stone arch culvert over unnamed creek

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 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 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 deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over an unnamed creek alongside Iowa Highway 12 in Westfield

Westfield, Plymouth County, Iowa

Owner: D&I Railroad

Status: In Use

Built 1943 using a span fabricated c. 1900

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
30' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over unnamed creek

Significance:

This deck plate girder bridge carries a former Chicago & North Western Railway line over Otter Creek north of Goldfield

Goldfield, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1909

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
3-60' deck plate girders

Description:
Deck plate girder bridge over Otter Creek

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 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 large Pratt pony truss bridge is set onto a limestone cliff and has a curved bottom chord

Portland, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1897

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
124' pin-connected Pratt pony truss

Description:
Pratt pony truss bridge over Winnebago River

Significance: