This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) mainline over Northeast 80th Street and Mud Creek east of Altoona

Altoona, Polk County, Iowa

Owner: Iowa Interstate Railroad

Status: In Use

Built 1901

by

American Bridge Company of New York (Lassig Plant)

for

Chicago, Rock Island & Pacific Railway

Design:
66' deck plate girder

Description:
Deck plate girder bridge over Northeast 80th Street and Mud 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 steel stringer bridge carries a former Chicago & North Western Railway secondary line over an unnamed creek northeast of Polk City

Polk City, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built 1913

by

American Bridge Company of New York and Cleary-White Construction Company of Chicago, Illinois

for

Chicago & North Western Railway

Design:
18' steel stringer

Description:
Steel stringer bridge over unnamed 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 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 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 small stone arch culvert carries a former Chicago Great Western Railway mainline and Southwest 42nd Street over Frink Creek 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 and 1972

by

Unknown

for

Chicago Great Western Railway

Design:
10' stone arch culvert

Description:
Stone arch culvert over Frink Creek

Significance:

This steel stringer bridge carries a former Chicago & North Western Railway secondary line over a farm road east of Polk City

Polk City, Polk County, Iowa

Owner: Polk County Conservation Board

Status: Open to Pedestrian Traffic

Built 1914

by

Unknown and Cleary-White Construction Company of Chicago, Illinois

for

Chicago & North Western Railway

Design:
20' steel stringer

Description:
Steel stringer bridge over farm road

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 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: