This filled in concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over a former alignment of 380th Street (County Road M64)

Aspinwall, Crawford County, Iowa

Owner: BNSF Railway

Status: Filled In

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
20' concrete slab

Description:
Filled in concrete slab bridge over former alignment of 380th Street (County Road M64)

Significance:

This standard concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over 340th Street northeast of Manilla

Manilla, Crawford County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
20' concrete slab

Description:
Concrete slab bridge over 340th Street

Significance:

This deck plate girder bridge carries a former Illinois Central Railroad mainline over North Grove Creek alongside US Highway 30 between Dow City and Dunlap

Dow City, Crawford County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1951 using a span fabricated 1911

by

Unknown

for

Illinois Central Railroad

Design:
50' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over North Grove Creek

Significance:

This through plate girder bridge carries a former Illinois Central Railroad mainline over the East Boyer River in Denison

Denison, Crawford County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1966

by

American Bridge Company of New York

for

Illinois Central Railroad

Design:
79' through plate girder and 2-48' and 1-12' steel stringers

Description:
Through plate girder bridge over East Boyer River

Significance:

This through plate girder bridge carries a former Illinois Central Railroad mainline over an unnamed alongside US Highway 30 and Lincoln Way between Denison and Arion

Denison, Crawford County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1920 using spans fabricated c. 1895

by

Unknown

for

Illinois Central Railroad

Design:
2-35' deck plate girders

Description:
Deck plate girder bridge over Willow Creek

Significance:

This through plate girder bridge carries a former Illinois Central Railroad mainline over the Boyer River southwest of Deloit

Deloit, Crawford County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1961 using a span fabricated 1899

by

American Bridge Works of Chicago, Illinois; George B. Swift Company of Chicago, IIllinois and Unknown

for

Illinois Central Railroad

Design:
76' through plate girder, 49' steel stringer and 24' deck plate girder

Description:
Through plate girder bridge over Boyer River

Significance:

This large Warren through truss bridge carries a former Chicago & North Western Railway mainline over the Boyer River alongside US Highway 30 between Arion and Denison

Denison, Crawford County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1948

by

American Bridge Company of New York and Condon-Cunningham Company of Omaha, Nebraska

for

Chicago & North Western Railway

Design:
175' Warren through truss and 2-48' steel stringers

Description:
Warren through truss bridge over Boyer River

Significance:

This concrete slab bridge carries a former Illinois Central Railroad mainline over Flasher Creek alongside US Highway 30 southwest of Dow City

Dow City, Crawford County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1913

by

Unknown

for

Illinois Central Railroad

Design:
3-16' concrete slabs

Description:
Concrete slab bridge over Flasher Creek

Significance:

This through plate girder overpass carries 305th Street over a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline east of Aspinwall

Aspinwall, Crawford County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1913 using a span fabricated 1898

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
41' through plate girder and timber pile trestle

Description:
Through plate girder bridge over BNSF Railway

Significance:

This through plate girder bridge carries a former Chicago & North Western Railway mainline over Willow Creek alongside US Highway 30 between Arion and Denison

Arion, Crawford County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1902

by

American Bridge Company of New York and Widell Company of Mankato, Minnesota

for

Chicago & North Western Railway

Design:
60' through plate girder

Description:
Through plate girder bridge over Willow Creek

Significance: