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 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:

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 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:

This small stone arch culvert carries a former Chicago & North Western Railway line over an unnamed creek on the south side of Dakota City

Dakota City, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1882

by

Unknown

for

Chicago & North Western Railway

Design:
5' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railway line over the West Fork Little Sioux River east of Lake Park

Lake Park, Dickinson County, Iowa

Owner: Dickinson County

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York

for

Burlington, Cedar Rapids & Northern Railway

Design:
2-50' deck plate girders

Description:
Deck plate girder bridge over West Fork Little Sioux River

Significance:

This through plate girder bridge was built by the Phoenix Bridge Company

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:
65' through plate girder

Description:
Through plate girder bridge over Elm Drive

Significance:

This attractive Pratt through truss bridge carries a former Minneapolis & St. Louis Railway line over the East Fork Des Moines River in Frank Gotch State Park south of Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1901

by

Detroit Bridge & Iron Works of Detroit, Michigan and Unknown

for

Minneapolis & St. Louis Railway

Design:
159' Pratt through truss and timber pile trestle

Description:
Pratt through truss bridge over East Fork Des Moines River

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 steel stringer and timber pile trestle bridge carries a former Chicago & North Western Railway line over County Road B30 (250th Street) north of Algona

Algona, Kossuth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1940

by

Pittsburgh-Des Moines Steel Company of Des Moines, Iowa

for

Chicago & North Western Railway

Design:
30' steel stringer and timber pile trestle

Description:
Steel stringer bridge over County Road B30 (250th Street)

Significance: