This steel stringer bridge is the southern of two bridges carrying a former Great Northern Railway mainline over US Highway 75 northwest of Hull

Hull, Sioux County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1931

by

American Bridge Company of New York and Unknown

for

Great Northern Railway

Design:
1-36' and 2-30' steel stringers

Description:
Steel stringer bridge over US Highway 75

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:

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 large Pratt through truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over the Rock River in Rock Valley

Rock Valley, Sioux County, Iowa

Owner: City of Rock Valley

Status: Open to Pedestrian Traffic

Built 1930 using spans fabricated 1897

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
2-140' Pratt through trusses and timber pile trestle

Description:
Pratt through truss bridge over Rock River

Significance:

This stone arch culvert carries a former Chicago Great Western Railway line over an unnamed creek along County Road C20 north of Belmond

Belmond, Wright County, Iowa

Owner: Wright County

Status: Open to Pedestrian Traffic

Built c. 1900

by

Unknown

for

Chicago Great Western Railway

Design:
10' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This Pratt pony truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the East Fork Des Moines River west of Algona

Algona, Kossuth County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1898

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago, Milwaukee & St. Paul Railway

Design:
128' Pratt pony truss and concrete modular girder

Description:
Pratt pony truss bridge over East Fork Des Moines River

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 Iowa Highway 60 north 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:
24' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This concrete encased beam bridge carries a former Chicago & North Western Railway line over an unnamed ditch alongside Iowa Highway 140 between Moville and Kingsley

Moville, Woodbury County, Iowa

Owner: Private Owner

Status: Abandoned

Built 1907

by

Unknown

for

Chicago & North Western Railway

Design:
12' concrete encased beam

Description:
Concrete encased beam bridge over unnamed ditch

Significance:

This quadrangular lattice through truss bridge carries a former Chicago & North Western Railway line over a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line in Algona

Algona, Kossuth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1917

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
120' quadrangular lattice through truss

Description:
Quadrangular lattice through truss bridge over CPKC (former Chicago, Milwaukee, St. Paul & Pacific Railroad)

Significance: