This through plate girder bridge carries a former Chicago & North Western Railway mainline over McCandless Cleghorn Ditch alongside County Road K45 in Whiting

Whiting, Monona County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1906 and 1913

by

Pennsylvania Steel Company of Steelton, Pennsylvania and Unknown

for

Chicago & North Western Railway

Design:
45' through plate girder

Description:
Through plate girder bridge over McCandless Cleghorn Ditch

Significance:

This through plate girder bridge features some decorative features

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Open to Trail Traffic

Built 1902

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

Iowa Central Railroad

Design:
50' through plate girder and steel stringer

Description:
Through plate girder bridge over State Street

Significance:

This steel stringer and timber pile trestle bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over an unnamed creek east of Livermore

Livermore, Humboldt County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1955 using a span fabricated c. 1910

by

Unknown

for

Chicago, Rock Island & Pacific Railroad

Design:
22' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over unnamed creek

Significance:

This through plate girder bridge carries a former Chicago & North Western Railway line over 1st Avenue in Dakota City

Dakota City, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
50' through plate girder

Description:
Through plate girder bridge over 1st Avenue

Significance:

This deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over US Highway 169 (Jones Street) in Algona

Algona, Kossuth County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1954

by

Unknown and Amos Melberg Company of Cedar Rapids, Iowa

for

Iowa State Highway Commission and Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
1-55', 1-45' and 1-40' deck plate girder

Description:
Deck plate girder bridge over US Highway 169 (Jones Street)

Significance:

This Pratt pony truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the Little Sioux River in Spencer

Spencer, Clay County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1901

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
105' Pratt pony truss and 2-50' through plate girders

Description:
Pratt pony truss bridge over Little Sioux River

Significance:

This quadrangular lattice through truss bridge carries a former Chicago & North Western Railway line over Eagle Creek alongside County Road C70 in Woolstock

Woolstock, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1902 and 1914

by

Unknown

for

Chicago & North Western Railway

Design:
123' quadrangular lattice through truss, 1-35' deck plate girder and 1-30' deck plate girder

Description:
Quadrangular lattice through truss bridge over Eagle 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 through plate girder bridge carries a former Chicago & North Western Railway line over a former Minneapolis & St. Louis Railway line in Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1917

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
76' through plate girder

Description:
Through plate girder bridge over Three Rivers Trail (former Minneapolis & St. Louis Railway)

Significance:

This partially demolished historic Pratt through truss bridge carried the Illinois Central Railroad Onawa Branch across the Little Sioux River on the south side of Correctionville

Correctionville, Woodbury County, Iowa

Owner: Woodbury County

Status: Open to Pedestrian Traffic; North Span and Approaches Replaced

Built 1887 and 1911 using a span fabricated 1881

by

Union Bridge Company of Buffalo, New York; Keystone Bridge Company of Pittsburgh, Pennsylvania and Unknown

for

Illinois Central Railroad

Design:
1-150', 1-123' Pratt through trusses and timber pile trestle

Description:
Pratt through truss bridge over Little Sioux River

Significance: