This through plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over Westfield Creek alongside Iowa Highway 12 north of Westfield

Westfield, Plymouth County, Iowa

Owner: D&I Railroad

Status: In Use

Built 1930

by

American Bridge Company of New York

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
85' through plate girder and timber pile trestle

Description:
Through plate girder bridge over Westfield Creek

Significance:

This through plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over Otter Creek south of Ashton

Ashton, Osceola County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1924

by

American Bridge Company of New York and Unknown

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
3-65' through plate girders

Description:
Through plate girder bridge over Otter Creek

Significance:

This steel stringer and timber pile trestle bridge carries a former Chicago & North Western Railway line over Iowa Highway 3 in Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1956

by

Unknown

for

Chicago & North Western Railway

Design:
45' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over Iowa Highway 3

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 Warren deck truss bridge is one of several different truss designs built by Phoenix Bridge Company for the Iowa Central Railroad

Mason City, Cerro Gordo County, Iowa

Owner: Cerro Gordo County

Status: Abandoned

Built 1902

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

Iowa Central Railroad

Design:
130' riveted Warren deck truss

Description:
Warren deck truss bridge over Winnebago River

Significance:

This through plate girder bridge once carried a former Great Northern Railway mainline across the West Branch Floyd River between Sioux Center and Maurice

Sioux Center, Sioux County, Iowa

Owner: BNSF Railway

Status: Replaced by a new bridge

Built 1944 using spans fabricated c. 1900

by

Unknown

for

Great Northern Railway

Design:
1-60' and 2-40' through plate girders and timber pile trestle

Description:
Through plate girder bridge over West Branch Floyd River

Significance:

This unique stone arch and box culvert bridge crosses a closed section of Hawkeye Avenue

Nora Springs, Floyd County, Iowa

Owner: Iowa Northern Railway

Status: Open to Traffic

Built 1889

by

Burlington, Cedar Rapids & Northern Railway

Design:
Stone arch and stone box culvert

Description:
Stone arch bridge over Hawkeye Street

Significance:

This deck plate girder bridge carries a former Chicago & North Western Railway mainline over South Ravine alongside Interstate 29 in Sioux City

Sioux City, Woodbury County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1920 using a span fabricated c. 1895

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
52' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over South Ravine

Significance:

This large and attractive stone arch bridge carries a former Chicago, Rock Island & Pacific Railroad line over Buttermilk Creek in Goldfield

Goldfield, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
20' stone arch

Description:
Stone arch bridge over Buttermilk Creek

Significance:

This through plate girder bridge carries a former Chicago & North Western Railway line over 1st Avenue in Dakota City

Dakota City, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
50' through plate girder

Description:
Through plate girder bridge over 1st Avenue

Significance: