This steel stringer and timber stringer bridge carries a former Minneapolis & St. Louis Railway mainline over 465th Avenue north of Searsboro

Searsboro, Poweshiek County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1980 using a span fabricated c. 1940

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
25' steel stringer and 4-15' timber stringers

Description:
Steel stringer and timber stringer bridge over 465th Avenue

Significance:

This steel stringer and timber stringer bridge carries a former Minneapolis & St. Louis Railway mainline over 460th Avenue north of Searsboro

Searsboro, Poweshiek County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1980

by

Unknown

for

Chicago & North Western Railway

Design:
29' steel stringer and 3-15' timber stringers

Description:
Steel stringer and timber stringer bridge over 460th Avenue

Significance:

This steel stringer and timber stringer bridge carries a former Minneapolis & St. Louis Railway mainline over 475th Avenue north of Searsboro

Searsboro, Poweshiek County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1980 using a span fabricated 1940

by

American Bridge Company of New York

for

Chicago & North Western Railway

Design:
30' steel stringer and 4-15' timber stringer

Description:
Steel stringer and timber stringer bridge over 475th Avenue

Significance:

This unusual Schaub variant through truss bridge carries a former Minneapolis & St. Louis Railway mainline over the North Skunk River alongside Iowa Highway 146 north of New Sharon

New Sharon, Mahaska County, Iowa to Searsboro, Poweshiek County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1902

by

Phoenix Bridge Company of Phoenixville, Pennsylvania and George Cook of Minneapolis, Minnesota

for

Iowa Central Railway

Design:
138' Schaub variant through truss and timber pile trestle

Description:
Schaub variant through truss bridge over North Skunk River

Significance: