This deck plate girder bridge carries a former Chicago & North Western Railway mainline over South Ravine alongside Interstate 29 in Sioux City

Sioux City, Woodbury County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1920 using a span fabricated c. 1895

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago & North Western Railway

Design:
52' deck plate girder and timber pile trestle

Description:
Deck plate girder bridge over South Ravine

Significance:

This large Pratt pony truss bridge is set onto a limestone cliff and has a curved bottom chord

Portland, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1897

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
124' pin-connected Pratt pony truss

Description:
Pratt pony truss bridge over Winnebago River

Significance:

This quadrangular lattice through truss bridge carries a former Chicago & North Western Railway line over the Boone River on the north side of Webster City

Webster City, Hamilton County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1901 and 1914

by

Unknown

for

Chicago & North Western Railway

Design:
2-120' quadrangular lattice through trusses and 1-80' deck plate girder

Description:
Quadrangular lattice through truss bridge over Boone River

Significance:

This Parker and Pratt through truss bridge east of Moingona was the original crossing of the Des Moines River along the Chicago & North Western Railway mainline across Iowa

Moingona, Boone County, Iowa

Owner: United States of America

Status: Removed but not replaced

Built 1894

by

Unknown

for

Chicago & North Western Railway

Design:
200' Parker through truss, 160' Pratt through truss and 4-80' deck plate girders

Description:
Parker and Pratt through truss bridge over Des Moines River

Significance:

This concrete slab bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over a former alignment of May Street in Manning

Manning, Carroll County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1913

by

Chicago, Milwaukee & St. Paul Railway

Design:
1-23' and 1-19' concrete slab

Description:
Concrete slab bridge over former alignment of May Street

Significance:

This deck plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Hospers

Hospers, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1912

by

American Bridge Company of New York and Widell Company of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
30' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

Significance:

This through plate girder bridge carries a former Illinois Central Railroad mainline over East Riverside Drive on the north side of Fort Dodge

Fort Dodge, Webster County, Iowa

Owner: Canadian National Railway

Status: In Use

Built 1900

by

American Bridge Works of Chicago, Illinois and G.H. Scribner of Chicago, Illinois

for

Illinois Central Railroad

Design:
50' through plate girder

Description:
Through plate girder bridge over East Riverside Drive

Significance:

This Pratt pony truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the East Fork Des Moines River west of Algona

Algona, Kossuth County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: In Use

Built 1898

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Chicago, Milwaukee & St. Paul Railway

Design:
128' Pratt pony truss and concrete modular girder

Description:
Pratt pony truss bridge over East Fork Des Moines River

Significance:

This deck plate girder bridge was built in 1951 to replace an older bridge of similar design

Mason City, Cerro Gordo County, Iowa

Owner: Union Pacific Railroad

Status: Open to Traffic

Built 1951

by

American Bridge Company of New York

for

Chicago Great Western Railway

Design:
2-89' deck plate girder and trestle

Description:
Deck plate girder bridge over Winnebago River

Significance:

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

Dedham, Carroll County, Iowa

Owner: BNSF Railway

Status: Open to Automobile Traffic

Built 1914 using a span fabricated 1898

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
63' through plate girder and 1-36' and 2-32' concrete beams

Description:
Through plate girder bridge over BNSF Railway

Significance: