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 large Pratt pony truss bridge is set onto a limestone cliff and has a curved bottom chord

Portland, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1897

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
124' pin-connected Pratt pony truss

Description:
Pratt pony truss bridge over Winnebago River

Significance:

This unique stone arch and box culvert bridge crosses a closed section of Hawkeye Avenue

Nora Springs, Floyd County, Iowa

Owner: Iowa Northern Railway

Status: Open to Traffic

Built 1889

by

Burlington, Cedar Rapids & Northern Railway

Design:
Stone arch and stone box culvert

Description:
Stone arch bridge over Hawkeye Street

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 was built using secondhand parts in 1998 to replace an older truss

Nora Springs, Floyd County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1998 using a secondhand span from an unknown location

by

I&M Rail Link

Design:
2-65' Type C4 through plate girder

Description:
Through plate girder bridge over Shell Rock River

Significance:

Mason City, Cerro Gordo County, Iowa

Owner:

Status:

by

for

Design:

Description:

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:

This through plate girder bridge has an unknown history

Mason City, Cerro Gordo County, Iowa

Owner: Union Pacific Railroad

Status: Open to Traffic

Built ca. 1910

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
68' through plate girder

Description:
Through plate girder bridge over 1st Street

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:

, , Iowa

Owner:

Status:

by

for

Design:

Description:

Significance: