This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside 3rd Avenue south 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:
20' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This double stone railtop culvert carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line across an unnamed creek in Belmond

Belmond, Wright County, Iowa

Owner: City of Belmond

Status: In Use

Built 1898

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
2-10' stone railtop culvert

Description:
Double stone railtop culvert over unnamed creek

Significance:

This small steel stringer bridge crosses Calmus Creek

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Abandoned

Built 1947

by

Bethlehem Steel Company of Bethlehem, Pennsylvania

for

Minneapolis & St. Louis Railway

Design:
50' steel stringer

Description:
Steel stringer bridge over Calmus Creek

Significance:

This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Five Island Lake in Emmetsburg

Emmetsburg, Palo Alto County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1949

by

Unknown

for

Chicago, Rock Island & Pacific Railroad

Design:
35' steel stringer and timber pile trestle

Description:
Steel stringer bridge over Five Island Lake

Significance:

This through plate girder bridge once carried the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over a former alignment of 500th Street alongside Iowa Highway 60 near Carnes

Carnes, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: Filled In

Built 1907

by

American Bridge Company of New York and Unknown

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
30' through plate girder

Description:
Through plate girder bridge over former alignment of 500th Street

Significance:

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 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 & 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:

, , Iowa

Owner:

Status:

by

for

Design:

Description:

Significance:

This large concrete arch bridge crossed the Cedar River until a collapsing arch required the removal of the bridge

Charles City, Floyd County, Iowa

Owner: City of Charles City (Final Owner)

Status: Replaced by a new bridge

Built 1910

by

Railroad Forces

for

Charles City & Western Railway

Design:
4 span closed spandrel concrete arch

Description:
Closed spandrel concrete arch bridge over Cedar River

Significance: