This abandoned Pratt pony truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) branch line over Walnut Creek near Grand Avenue and 63rd Street in Des Moines

Des Moines, Polk County, Iowa

Owner: Norfolk Southern Railway

Status: Abandoned

Built 1917 using a span fabricated 1897

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
106' Pratt pony truss and timber pile trestle

Description:
Pratt pony truss bridge over Walnut Creek

Significance:

This iconic through truss bridge carries the former Des Moines Union Railway mainline across the Des Moines River between Court Avenue and Vine Street in Des Moines

Des Moines, Polk County, Iowa

Owner: City of Des Moines

Status: Open to Pedestrian Traffic

Built 1891, 1905 and 1945 and 2006

by

Detroit Bridge & Iron Works of Detroit, Michigan; Des Moines Bridge & Iron Works of Des Moines, Iowa; Stupp Brothers Bridge & Iron Company of St. Louis, Missouri and others

for

Des Moines Union Railway

Design:
2-152' Pratt through trusses, 1-78' through plate girder, 1-68' deck plate girder, 1-25' steel stringer and 1-45' steel stringer

Description:
Pratt through truss bridge over Des Moines River

Significance:

This subdivided Warren through truss bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over the Des Moines River in Des Moines

Des Moines, Polk County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1920

by

American Bridge Company of New York and Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
3-153' subdivided Warren through trusses

Description:
Subdivided Warren through truss bridge over Des Moines River

Significance:

This deck plate girder bridge is the southern 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: Abandoned

Built c. 1905

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 deck plate girder bridge carries a former Chicago Great Western Railway mainline over the South Skunk River between Santiago and Valeria

Santiago, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built 1921 and 1928

by

American Bridge Company of New York and Unknown

for

Chicago Great Western Railway

Design:
4-70' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over South Skunk River

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 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 stone arch culvert carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over Little Fourmile Creek near Lions Park in Altoona

Altoona, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built c. 1875

by

Unknown

for

Chicago, Rock Island & Pacific Railway

Design:
10' stone arch culvert

Description:
Stone arch culvert over Little Fourmile Creek

Significance:

This standard concrete box culvert carries a former Chicago & North Western Railway secondary line over an unnamed creek alongside Northwest 58th Street south of Sheldahl

Sheldahl, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built 1914

by

Cleary-White Construction Company of Chicago, Illinois

for

Chicago & North Western Railway

Design:
6'x5' concrete box culvert

Description:
Concrete box culvert over unnamed creek

Significance:

This deck plate girder bridge once carried a former Des Moines & Central Iowa Railway line over Beaver Creek north of Interstate 35/80 in Johnston

Johnston, Polk County, Iowa

Owner: City of Johnston

Status: Replaced by a new bridge

Built c. 1960 using spans fabricated c. 1910

by

Unknown

for

Des Moines & Central Iowa Railway

Design:
2-36' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over Beaver Creek

Significance: