This unusual Warren pony truss bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) branch line over the Middle River at Banner Lakes at Summerset State Park

Summerset, Warren County, Iowa

Owner: Warren County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1940 using a span fabricated c. 1890

by

Unknown

for

Chicago, Rock Island & Pacific Railroad

Design:
100' Warren pony truss and timber pile trestle

Description:
Warren pony truss bridge over Middle River

Significance:

This deck plate girder bridge carries a former Chicago Great Western Railway mainline over the North River near the former station of Lida

Cumming, Warren County, Iowa

Owner: Warren County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1930

by

Unknown

for

Chicago Great Western Railway

Design:
2-60' and 1-40' deck plate girder

Description:
Deck plate girder bridge over North River

Significance:

This small stone arch culvert carries a former Chicago Great Western Railway mainline over an unnamed creek south of Cumming

Cumming, Warren County, Iowa

Owner: Warren County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1900

by

Unknown

for

Chicago Great Western Railway

Design:
6' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This concrete slab bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over Iowa Highway 92 near Beech

Beech, Warren County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1933

by

Harrison Engineering & Construction Company of Kansas City, Missouri

for

Chicago, Rock Island & Pacific Railroad

Design:
32' concrete slab

Description:
Concrete slab bridge over Iowa Highway 92

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad mainline over the Middle River alongside Iowa Highway 5 south of Carlisle

Carlisle, Warren County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1912

by

American Bridge Company of New York and J.C. Dunn of Chicago, Illinois

for

Chicago, Rock Island & Pacific Railway

Design:
4-75' deck plate girders

Description:
Deck plate girder bridge over Middle River

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over Butcher Creek and 205th Avenue near Hartford

Hartford, Warren County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1912 and 1941

by

American Bridge Company of New York; J.C. Dunn of Chicago, Illinois and F.K. Ketler Company of Chicago, Illinois

for

Chicago, Rock Island & Pacific Railway

Design:
1-70' and 2-60' deck plate girders

Description:
Deck plate girder bridge over Butcher Creek and 205th Avenue

Significance: