This small steel stringer bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside 3rd Avenue south 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:
20' steel stringer

Description:
Steel stringer bridge over unnamed creek

Significance:

This small stone arch culvert carries a former Chicago & North Western Railway line over an unnamed creek on the south side of Dakota City

Dakota City, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1882

by

Unknown

for

Chicago & North Western Railway

Design:
5' stone arch culvert

Description:
Stone arch culvert over unnamed creek

Significance:

This unique deck plate girder swing bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over the channel between East and West Okoboji Lakes

Okoboji, Dickinson County, Iowa

Owner: Iowa Department of Natural Resources

Status: Open to Pedestrian Traffic

Built 1890 and c. 1965

by

Lassig Bridge & Iron Works of Chicago, Illinois and Unknown

for

Chicago, Milwaukee & St. Paul Railway

Design:
83' deck plate girder swing span, 2-30' steel stringers and timber pile trestle

Description:
Deck plate girder swing bridge over East-West Okoboji Lake Channel

Significance:

This standard deck plate girder bridge crosses Beaver Creek next to Broad Street

Plymouth, Cerro Gordo County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1898

by

Wisconsin Bridge & Iron Company of North Milwaukee, Wisconsin

for

Chicago, Milwaukee & St. Paul Railway

Design:
65' Type B2 deck plate girder

Description:
Deck plate girder bridge over Beaver Creek

Significance:

This steel stringer bridge once carried several tracks across 13th Street

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Open to trail traffic

Built 1946

by

Unknown and L.M. Feller of Rochester, Minnesota

for

Minneapolis & St. Louis Railway

Design:
3 span steel stringer

Description:
Steel stringer bridge over 13th Street

Significance:

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 steel stringer bridge is the northern of two bridges carrying a former Great Northern Railway mainline over US Highway 75 northwest of Hull

Hull, Sioux County, Iowa

Owner: BNSF Railway

Status: In Use

Built 1931

by

Unknown

for

Great Northern Railway

Design:
1-32' and 2-26' steel stringers

Description:
Steel stringer bridge over US Highway 75

Significance:

This steel stringer and timber pile trestle bridge carries a former Chicago & North Western Railway line over Iowa Highway 3 in Humboldt

Humboldt, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1956

by

Unknown

for

Chicago & North Western Railway

Design:
45' steel stringer and timber pile trestle

Description:
Steel stringer and timber pile trestle bridge over Iowa Highway 3

Significance:

This small brick lined concrete arch culvert carries a former Chicago, Rock Island & Pacific Railway line over an unnamed creek east of Sibley

Sibley, Osceola County, Iowa

Owner: Osceola County

Status: Open to Pedestrian Traffic

Built c. 1900

by

Burlington, Cedar Rapids & Northern Railway

Design:
8' brick lined concrete arch culvert

Description:
Brick lined concrete arch culvert over unnamed creek

Significance:

This unique double intersection Warren deck truss bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over the East Fork Des Moines River west of Armstrong

Armstrong, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: Closed to all Traffic

Built 1899 using a span fabricated c. 1885

by

Unknown and American Bridge Company of New York

for

Burlington, Cedar Rapids & Northern Railway

Design:
90' double intersection Warren deck truss and steel stringer

Description:
Double intersection Warren deck truss bridge over East Fork Des Moines River

Significance: