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 standard concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over 350th 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 350th Street

Significance:

This through plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over the West Fork West Nishnabotna River along 320th Street in Manilla

Manilla, Crawford County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1941

by

American Bridge Company of New York

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
85' through plate girder and timber pile trestle

Description:
Through plate girder bridge over West Fork West Nishnabotna 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 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 370th Street west of Aspinwall

Aspinwall, 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 370th Street

Significance:

This unique triple tracked quadrangular lattice through truss bridge once carried a former Chicago & North Western Railway mainline over the East Boyer River in Denison

Denison, Crawford County, Iowa

Owner: Union Pacific Railroad

Status: Replaced by a new bridge

Built 1910

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
120' quadrangular lattice through truss and 50' through plate girder

Description:
Quadrangular lattice through truss bridge over East Boyer River

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 small concrete arch culvert carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over an unnamed creek near 380th Street in Aspinwall

Aspinwall, Crawford County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
10' concrete arch culvert

Description:
Concrete arch culvert over unnamed creek

Significance: