This Pratt through truss bridge once carried a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line across the Big Sioux River between Sioux City and North Sioux City

Sioux City, Woodbury County, Iowa to North Sioux City, South Dakota

Owner: BNSF Railway

Status: Collapsed Due to Flooding

Built 1907 using secondhand trusses fabricated 1900; Approaches Added 1931

by

Lassig Bridge & Iron Works of Chicago, Illinois and American Bridge Company of New York

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-152' Pratt through truss and 1-77', 1-40' deck plate girders

Description:
Pratt through truss bridge over Big Sioux River

Significance:

, , Iowa

Owner:

Status:

by

for

Design:

Description:

Significance:

This brick lined concrete arch bridge carries a former Chicago, Rock Island & Pacific Railway line over the West Branch Little Sioux River west of Lake Park

Lake Park, Dickinson County, Iowa

Owner: Dickinson County

Status: Open to Pedestrian Traffic

Built 1900

by

Burlington, Cedar Rapids & Northern Railway

Design:
21' brick lined concrete arch

Description:
Brick lined concrete arch bridge arch bridge over West Branch Little Sioux River

Significance:

This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Seney

Seney, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1916 using stringers fabricated c. 1900

by

Unknown and Widell Company of Mankato, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
25' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Emmet County Ditch #151 alongside Iowa Highway 4 north of Wallingford

Wallingford, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1895

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
60' deck plate girder

Description:
Deck plate girder bridge over Emmet County Ditch #151

Significance:

This stone arch culvert carries a former Chicago & North Western Railway line over an unnamed creek on the north side of Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

Unknown

for

Chicago & North Western Railway

Design:
10' stone arch culvert

Description:
Stone arch culvert over unnamed 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 deck plate girder bridge carries a former Chicago & North Western Railway line over the East Fork Des Moines River north of Algona

Algona, Kossuth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1902

by

Unknown

for

Chicago & North Western Railway

Design:
2-80' deck plate girders and timber pile trestle

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

Significance:

This small stone arch culvert carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over an unnamed creek alongside Iowa Highway 4 north of Wallingford

Wallingford, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1888

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
6' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over an unnamed creek alongside Iowa Highway 12 in Westfield

Westfield, Plymouth County, Iowa

Owner: D&I Railroad

Status: In Use

Built 1943 using a span fabricated c. 1900

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
30' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over unnamed creek

Significance: