This large deck plate girder bridge carries a former Chicago & North Western Railway line over the Boone River northwest of Eagle Grove

Eagle Grove, Wright County, Iowa

Owner: Wright County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
2-80' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over Boone River

Significance:

This large Pratt through truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) mainline over the Rock River in Rock Valley

Rock Valley, Sioux County, Iowa

Owner: City of Rock Valley

Status: Open to Pedestrian Traffic

Built 1930 using spans fabricated 1897

by

Unknown

for

Chicago, Milwaukee, St. Paul & Pacific Railroad

Design:
2-140' Pratt through trusses and timber pile trestle

Description:
Pratt through truss bridge over Rock River

Significance:

This standard steel stringer bridge carries a former Chicago & North Western Railway line over Oak Street in Algona

Algona, Kossuth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1911

by

American Bridge Company of New York and Unknown

for

Chicago & North Western Railway

Design:
24' steel stringer

Description:
Steel stringer bridge over Oak Street

Significance:

This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Alton

Alton, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1910

by

Minneapolis Steel & Machinery Company of Minneapolis, Minnesota and James McClure of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
24' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 north of Seney

Seney, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1916 using stringers fabricated c. 1900

by

Unknown and Widell Company of Mankato, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
25' steel stringer

Description:
Steel stringer bridge over unnamed creek

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 steel stringer bridge carries a former Great Northern Railway mainline over US Highway 18 west of Hull

Hull, Sioux County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1939

by

Unknown and Bonesteel & Hyde of Watertown, South Dakota

for

Great Northern Railway

Design:
3-40' steel stringers

Description:
Steel stringer bridge over US Highway 18

Significance:

This deck plate girder bridge crosses the Winnebago River at Norris Park

Mason City, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built ca. 1910

by

Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
2-65' deck plate girder

Description:
Deck plate girder bridge over Winnebago River

Significance:

This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 south of Carnes

Carnes, Sioux County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1901

by

American Bridge Company of New York (Lassig Plant) and James McClure of St. Paul, Minnesota

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
20' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This small concrete slab bridge carries a former Chicago Great Western Railway line over Wright County Ditch #15 on the southwest side of Eagle Grove

Eagle Grove, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built c. 1910

by

Unknown

for

Chicago Great Western Railway

Design:
12' concrete slab

Description:
Concrete slab bridge over Wright County Ditch #15

Significance: