This steel stringer bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) branch line over Sifford Creek along US Highway 71 south of Exira

Exira, Audubon County, Iowa

Owner: Audubon County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1940 using a span fabricated c. 1910

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
28' steel stringer and timber pile trestle

Description:
Steel stringer bridge over Sifford Creek

Significance:

This small deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over an unnamed creek alongside White Pole Road east of Wiota

Wiota, Cass County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1902

by

American Bridge Company of New York

for

Chicago, Rock Island & Pacific Railway

Design:
33' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

Significance:

This small deck plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 south of Ashton

Ashton, Osceola County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1914

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin and Cleary-White Construction Company of Chicago, Illinois

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
36' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

Significance:

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 through and deck plate girder bridge carries a former Chicago & North Western Railway mainline over East Indian Creek and Union Pacific Railroad (Former Chicago, Rock Island & Pacific Railway) east of Nevada

Nevada, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900 and 1902

by

American Bridge Company of New York; Widell Company of Mankato, Minnesota and Unknown

for

Chicago & North Western Railway

Design:
68' deck plate girder and 68' through plate girder

Description:
Through and deck plate girder bridge over East Indian Creek and Union Pacific Railroad (Former Chicago, Rock Island & Pacific Railway)

Significance:

This concrete arch bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over Murphy Creek on the west side of Madrid

Madrid, Boone County, Iowa

Owner: Boone County Conservation Board

Status: Open to Pedestrian Traffic

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
16' concrete arch

Description:
Concrete arch bridge over Murphy Creek

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over the East Fork Des Moines River southeast of Livermore

Livermore, Humboldt County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900; Rebuilt 1972 using spans fabricated c. 1900

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
1-81', 1-60', 1-50' and 1-36' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over East Fork Des Moines River

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 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 stone arch bridge carries a former Chicago & North Western Railway mainline over an unnamed tributary of South Onion Creek near Jordan

Jordan, Boone County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1899

by

Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
15' stone arch

Description:
Stone arch bridge over tributary of South Onion Creek

Significance: