This small stone arch culvert carries a former Chicago Great Western Railway mainline over an unnamed creek near Northeast 62nd Avenue east of Berwick

Berwick, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1900

by

Unknown

for

Chicago Great Western Railway

Design:
4' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This Pratt pony truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) branch line over Walnut Creek in Clive

Clive, Polk County, Iowa

Owner: Norfolk Southern Railway

Status: Abandoned

Built 1902 and 1943

by

Unknown and Thorgerson & Ericksen Company of Chicago, Illinois

for

Chicago, Milwaukee & St. Paul Railway

Design:
104' Pratt pony truss and timber pile trestle

Description:
Pratt pony truss bridge over Walnut Creek

Significance:

This large through truss and steel stringer bridge carries a modern realignment of a former Wabash Railroad branch line over the Des Moines River alongside Iowa Highway 316 south of Runnells

Runnells, Polk County, Iowa

Owner: Norfolk Southern Railway

Status: In Use

Built 1964

by

Unknown and L.G. Barcus Company of Kansas City, Missouri

for

Wabash Railroad and Chicago, Burlington & Quincy Railroad

Design:
3-188' Warren through trusses and 36-43' steel stringers

Description:
Warren 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:

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 small stone arch culvert carries a former Chicago Great Western Railway mainline over Frink Creek near Willow Creek Avenue on the south side of Des Moines

Des Moines, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built c. 1900

by

Unknown

for

Chicago Great Western Railway

Design:
7' stone arch culvert

Description:
Stone arch culvert over Frink Creek

Significance:

This small stone arch culvert carries a former Chicago Great Western Railway mainline over an unnamed creek near Northeast 29th Street southwest of Berwick

Berwick, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Abandoned

Built c. 1900

by

Unknown

for

Chicago Great Western Railway

Design:
4' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This deck plate girder and steel stringer bridge was constructed of spare parts to carry a Union Pacific Railroad spur over the Raccoon River at Water Works Park

Des Moines, Polk County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1919; approaches rebuilt 2004 using spans fabricated c. 1930

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin and Unknown

for

Minneapolis & St. Louis Railway and Union Pacific Railroad

Design:
100' deck plate girder and seven assorted steel stringer spans

Description:
Deck plate girder and steel stringer bridge over Raccoon 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 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: