This large double deck through truss swing bridge carries the former Chicago, Rock Island & Pacific Railway and Fort Armstrong Road over the Mississippi River

Davenport, Scott County, Iowa to Rock Island, Rock Island County, Illinois

Owner: United States Army

Status: In Use

Built 1896

by

Phoenix Bridge Company of Phoenixville, Pennsylvania

for

Railroad/Original Owner: United States Government and Chicago, Rock Island & Pacific Railway

Design: 366' Baltimore through truss swing span, 2-258', 3-217' Baltimore through trusses, 1-193' and 1-99' Pratt through trusses

Baltimore through truss swing bridge over Mississippi River

Significance:

This through plate girder bridge carries a former Chicago & North Western Railway line over 1st Avenue in Dakota City

Dakota City, Humboldt County, Iowa

Owner: Humboldt County Conservation Board

Status: Open to Pedestrian Traffic

Built 1902

by

American Bridge Company of New York and Unknown

for

Railroad/Original Owner: Chicago & North Western Railway

Design: 50' through plate girder

Through plate girder bridge over 1st Avenue

Significance:

This Pratt through truss bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) secondary line over the Big Sioux River between Elk Point and Westfield

Elk Point, Union County, South Dakota to Westfield, Plymouth County, Iowa

Owner: D&I Railroad

Status: In Use

Built 1908 using secondhand trusses fabricated 1900

by

Lassig Bridge & Iron Works of Chicago, Illinois

for

Railroad/Original Owner: Chicago, Milwaukee & St. Paul Railway

Design: 152' Pratt through truss, 15-16' steel stringers and 2-22' precast concrete modular girders

Pratt through truss bridge over Big Sioux River

Significance:

This through plate girder bridge was built by the Phoenix Bridge Company

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

Railroad/Original Owner: Iowa Central Railroad

Design: 65' through plate girder

Through plate girder bridge over Elm Drive

Significance:

This concrete encased beam bridge carries a former Chicago & North Western Railway line over an unnamed ditch alongside Iowa Highway 140 between Moville and Kingsley

Moville, Woodbury County, Iowa

Owner: Private Owner

Status: Abandoned

Built 1907

by

Unknown

for

Railroad/Original Owner: Chicago & North Western Railway

Design: 12' concrete encased beam

Concrete encased beam bridge over unnamed ditch

Significance: