This through plate girder bridge carries a former Chicago & North Western Railway line over 2nd Street (Former US Highway 20) in Webster City

Webster City, Hamilton County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1934

by

Unknown and Wickes Engineering & Construction Company of Des Moines, Iowa

for

Chicago & North Western Railway

Design:
50' through plate girder and 2-8' concrete slabs

Description:
Through plate girder bridge over 2nd Street (Former US Highway 20)

Significance:

This large deck plate girder bridge carries a former Chicago & North Western Railway mainline over the South Skunk River on the east side of Ames

Ames, Story County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900 and 1949

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin; American Bridge Company of New York and Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
1-110', 1-75' deck plate girder and 1-20' and 1-18' steel stringers

Description:
Deck plate girder bridge over South Skunk River

Significance:

This large concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over Willow Creek west of Bayard

Bayard, Guthrie County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
14-16' concrete slabs

Description:
Concrete slab bridge over Willow Creek

Significance:

This deck plate girder bridge crosses the Shell Rock River on the northeast side of Plymouth

Plymouth, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1909

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-70' Type A4 deck plate girder

Description:
Deck plate girder bridge over Shell Rock River

Significance:

This trough floor steel stringer bridge carries a former Chicago & North Western Railway mainline over Linn Street in Boone

Boone, Boone County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
35' trough floor steel stringer

Description:
Trough floor steel stringer bridge over Linn 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 deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over Greybill Creek along Pinoak Road east of Hancock

Hancock, Pottawattamie County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1952

by

American Bridge Company of New York; Unknown and Iowa Bridge Company of Des Moines, Iowa

for

Chicago, Rock Island & Pacific Railroad

Design:
1-80' and 2-60' deck plate girders

Description:
Deck plate girder bridge over Greybill Creek

Significance:

This concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over 597th Avenue east of Cambridge

Cambridge, Story County, Iowa

Owner: Story County Conservation Board

Status: Open to Pedestrian Traffic

Built 1913 and 1946

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
20' concrete slab

Description:
Concrete slab bridge over 597th Avenue

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 deck plate girder bridge was built in 1951 to replace an older bridge of similar design

Mason City, Cerro Gordo County, Iowa

Owner: Union Pacific Railroad

Status: Open to Traffic

Built 1951

by

American Bridge Company of New York

for

Chicago Great Western Railway

Design:
2-89' deck plate girder and trestle

Description:
Deck plate girder bridge over Winnebago River

Significance: