This historic Pratt through truss bridge carries a former Des Moines & Central Iowa Railway mainline across the Des Moines River downstream from Euclid Avenue in Des Moines

Des Moines, Polk County, Iowa

Owner: City of Des Moines

Status: Open to Pedestrian Traffic

Built 1905 using spans fabricated c. 1885

by

Unknown

for

Inter-Urban Railway

Design:
4-125' Pratt through trusses and timber stringer

Description:
Pratt through truss bridge over Des Moines River

Significance:

This Warren through truss bridge once carried a Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over Walnut Creek near Ashworth Park in Des Moines

Des Moines, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: Replaced by a new bridge; West span In Use

Built 1901 and 1908

by

Unknown

for

Chicago, Rock Island & Pacific Railway and Minneapolis & St. Louis Railway

Design:
113' Warren through truss and 44' deck plate girder

Description:
Warren through truss bridge over Walnut Creek

Significance:

This steel stringer and timber pile trestle bridge carries a former Chicago Great Western Railway mainline over Fourmile Creek in Berwick

Berwick, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1960

by

Unknown

for

Chicago Great Western Railway

Design:
50' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over Fourmile Creek

Significance:

This through plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over the Des Moines River at Vine Street in Des Moines

Des Moines, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1904

by

American Bridge Company of New York; Bates & Rogers Construction Company of Chicago, Illinois and Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
8-77' through plate girders

Description:
Through plate girder bridge over Des Moines River

Significance:

This small stone arch culvert carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over an unnamed creek near Northeast 27th Avenue southwest of Altoona

Altoona, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built c. 1875

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
6' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This steel stringer and timber pile trestle bridge carries a former Chicago Great Western Railway mainline over Polk County Ditch #38 between Santiago and Valeria

Santiago, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1940

by

Unknown

for

Chicago Great Western Railway

Design:
30' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over Polk County Ditch #38

Significance:

This through plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over 8th Street (former US Highway 6) in Altoona

Altoona, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1955

by

Unknown and Iowa Bridge Company of Des Moines, Iowa

for

Chicago, Rock Island & Pacific Railroad

Design:
2-64' through plate girders and 4-35' steel stringers

Description:
Through plate girder bridge over 8th Street

Significance:

This deck plate girder bridge is the northern of two similar bridges carrying a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Fourmile Creek on the east side of Des Moines

Des Moines, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1902 and 1912

by

American Bridge Company of New York and Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
5-44' deck plate girders

Description:
Deck plate girder bridge over Fourmile Creek

Significance:

This large Pratt through truss bridge once carried a Chicago Great Western Railway mainline over the Des Moines River between Southeast 1st Street and Southeast 6th Street in Des Moines

Des Moines, Polk County, Iowa

Owner: Union Pacific Railroad

Status: Removed but not replaced

Built 1901

by

American Bridge Company of New York and Shepard, Winston & Company of St. Paul, Minnesota

for

Chicago Great Western Railway

Design:
4-180' Pratt through trusses

Description:
Pratt through truss bridge over Des Moines River

Significance:

This unique through plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) branch line over Walnut Creek at Campbell Park in Clive

Clive, Polk County, Iowa

Owner: City of Clive

Status: Open to Pedestrian Traffic

Built 1917 using a span fabricated 1889

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago, Milwaukee & St. Paul Railway

Design:
65' through plate girder and timber pile trestle

Description:
Through plate girder bridge over Walnut Creek

Significance: