This through plate girder bridge carries a former Illinois Central Railroad line over an unnamed creek along Jackson Avenue southwest of Wall Lake and Carnarvon

Carnarvon, Sac County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1899

by

American Bridge Works of Chicago, Illinois and Gould Construction Company of Davenport, Iowa

for

Illinois Central Railroad

Design:
91' through plate girder

Description:
Through 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 Seney

Seney, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1911

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota and Widell Company of Mankato, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
20' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over Big Creek between Slater and Madrid

Madrid, Boone County, Iowa

Owner: Boone County Conservation Board

Status: Open to Pedestrian Traffic

Built 1912

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
65' deck plate girder

Description:
Deck plate girder bridge over Big 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 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 historic double intersection Warren pony truss bridge carries 220th Street (County Road P33) over a Union Pacific Railroad (former Minneapolis & St. Louis Railway) line north of Moorland

Moorland, Webster County, Iowa

Owner: Union Pacific Railroad

Status: Open to Automobile Traffic

Built 1921 using a span fabricated 1889

by

Unknown

for

Minneapolis & St. Louis Railway

Design:
74' double intersection Warren pony truss

Description:
Double intersection Warren pony truss bridge over Union Pacific Railroad (former Minneapolis & St. Louis Railway)

Significance:

This concrete encased beam bridge carries a former Illinois Central Railroad mainline over 14th Street in Fort Dodge

Fort Dodge, Webster County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1921

by

Ellington-Miller Company of Chicago, Illinois

for

Illinois Central Railroad

Design:
2-20' concrete encased beams and 1-10' concrete slab

Description:
Concrete encased beam bridge over 14th Street

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 west of Anita

Anita, Cass County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1944 using a span fabricated 1902

by

American Bridge Company of New York and Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
24' deck plate girder

Description:
Deck plate girder 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 tall deck plate girder viaduct carries a former Fort Dodge, Des Moines & Southern Railroad line over Bass Point Creek north of Boone

Boone, Boone County, Iowa

Owner: Boone and Scenic Valley Railroad

Status: In Use

Built 1913

by

American Bridge Company of New York and Albert W. Merrick of Boone, Iowa

for

Fort Dodge, Des Moines & Southern Railway

Design:
6-80', 1-48' and 8-32' deck plate girders

Description:
Deck plate girder viaduct over Bass Point Creek

Significance:

This steel stringer bridge crosses Cheslea Creek along County Road S42

Mason City, Cerro Gordo County, Iowa

Owner: Cerro Gordo County

Status: Abandoned

Built ca. 1930

by

Unknown

for

Chicago Great Western Railway

Design:
Steel and timber stringer

Description:
Steel and timber stringer bridge over Cheslea Creek

Significance: