Condon-Cunningham Company of Omaha, Nebraska


UP Boyer River Bridge #1

Image name

UP Boyer River Bridge #1

(Chicago & North Western Railway Bridge #876)

This large Warren through truss bridge carries a former Chicago & North Western Railway mainline over the Boyer River alongside US Highway 30 between Arion and Denison

Denison, Crawford County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1948

by

American Bridge Company of New York and Condon-Cunningham Company of Omaha, Nebraska

for

Chicago & North Western Railway

Design:
175' Warren through truss and 2-48' steel stringers

Description:
Warren through truss bridge over Boyer River

Significance:

Moderate

UP Boyer River Bridge #2

Image name

UP Boyer River Bridge #2

(Chicago & North Western Railway Bridge #886)

This large Warren through truss bridge carries a former Chicago & North Western Railway mainline over the Boyer River alongside US Highway 30 near Dow City

Dow City, Crawford County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1948

by

American Bridge Company of New York and Condon-Cunningham Company of Omaha, Nebraska

for

Chicago & North Western Railway

Design:
190' Warren through truss and 2-48' steel stringers

Description:
Warren through truss bridge over Boyer River

Significance:

Moderate

UP Boyer River Bridge #3

Image name

UP Boyer River Bridge #3

(Chicago & North Western Railway Bridge #913)

This large Warren through truss bridge carries a former Chicago & North Western Railway mainline over the Boyer River alongside US Highway 30 between Dunlap and Woodbine

Dunlap, Harrison County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1948

by

American Bridge Company of New York and Condon-Cunningham Company of Omaha, Nebraska

for

Chicago & North Western Railway

Design:
175' Warren through truss and 2-48' steel stringers

Description:
Warren through truss bridge over Boyer River

Significance:

Moderate