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 quadrangular lattice through truss bridge carries a former Chicago & North Western Railway line over Eagle Creek alongside County Road C70 in Woolstock

Woolstock, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1902 and 1914

by

Unknown

for

Chicago & North Western Railway

Design:
123' quadrangular lattice through truss, 1-35' deck plate girder and 1-30' deck plate girder

Description:
Quadrangular lattice through truss bridge over Eagle Creek

Significance:

This small deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railroad (Rock Island) line over Emmet County Ditch #94 alongside Iowa Highway 4 between Wallingford and Graettinger

Wallingford, Emmet County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1900

by

Unknown

for

Burlington, Cedar Rapids & Northern Railway

Design:
30' deck plate girder

Description:
Deck plate girder bridge over Emmet County Ditch #94

Significance:

This deck plate girder bridge carries a former Chicago & North Western Railway line over the Boone River southeast of Renwick

Renwick, Wright County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1903

by

Unknown

for

Chicago & North Western Railway

Design:
3-45' deck plate girders and timber pile trestle

Description:
Deck plate girder bridge over Boone River

Significance:

This Pratt through truss bridge carries the former Illinois Central Railroad Sioux Falls Branch over the Rock River in Rock Rapids

Rock Rapids, Lyon County, Iowa

Owner: City of Rock Rapids

Status: Open to Private Vehicle Traffic

Built 1888

by

Union Bridge Company of Buffalo, New York and G.H. Scribner of Chicago, Illinois

for

Illinois Central Railroad

Design:
150' Pratt through truss and timber pile trestle

Description:
Pratt through truss bridge over Rock River

Significance:

This deck plate girder bridge carries a former Chicago, Rock Island & Pacific Railway line over the West Fork Little Sioux River east of Lake Park

Lake Park, Dickinson County, Iowa

Owner: Dickinson County

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York

for

Burlington, Cedar Rapids & Northern Railway

Design:
2-50' deck plate girders

Description:
Deck plate girder bridge over West Fork Little Sioux 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 deck plate girder bridge carries the former Chicago, St. Paul, Minneapolis & Omaha Railway (Omaha Road) mainline over an unnamed creek alongside Iowa Highway 60 between Seney and Carnes

Seney, Plymouth County, Iowa

Owner: Union Pacific Railroad

Status: In Use

Built 1913

by

American Bridge Company of New York and Cleary-White Construction Company of Chicago, Illinois

for

Chicago, St. Paul, Minneapolis & Omaha Railway

Design:
50' deck plate girder

Description:
Deck plate girder bridge over unnamed creek

Significance:

This partially demolished Pratt through truss bridge carried the Illinois Central Railroad Onawa Branch across the Little Sioux River on the north side of Correctionville

Correctionville, Woodbury County, Iowa

Owner: Private Owner

Status: Abandoned and Partially Removed

Built 1887 and 1911 using spans fabricated 1881

by

Union Bridge Company of Buffalo, New York; Keystone Bridge Company of Pittsburgh, Pennsylvania and Unknown

for

Illinois Central Railroad

Design:
1-175' and 2-123' Pratt through trusses and timber pile trestle

Description:
Pratt through truss bridge over Little Sioux River

Significance:

This through plate girder bridge features some decorative features

Mason City, Cerro Gordo County, Iowa

Owner: City of Mason City

Status: Open to Trail Traffic

Built 1902

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

Iowa Central Railroad

Design:
50' through plate girder and steel stringer

Description:
Through plate girder bridge over State Street

Significance: