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

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

Design: 24' steel stringer

Steel stringer bridge over unnamed creek

Significance:

This partially destroyed vertical lift bridge once carried the Minneapolis & St. Louis Railway over the Mississippi River at Keithsburg

Keithsburg, Mercer County, Illinois to Oakville, Louisa County, Iowa

Owner: United States Government

Status: Abandoned and Partially Removed

Built 1909

by

McClintic-Marshall Corportation of Chicago, Illinois and Union Bridge & Contracting Company of Kansas City, Missouri

for

Railroad/Original Owner: Minneapolis & St. Louis Railway

Design: 233' Pratt through truss vertical lift, 9-205' and 1-115' Pratt through truss and 100' deck plate girder

Pratt through truss vertical lift bridge over Mississippi River

Significance:

This Pratt pony truss bridge crosses the Cedar River with two distinctively different sized spans

Charles City, Floyd County, Iowa

Owner: Canadian Pacific Kansas City Limited

Status: Open to Traffic

Built 1897

by

J.G. Wagner Company of Milwaukee, Wisconsin

for

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

Design: 2 span pin-connected Pratt pony truss

Pratt pony truss bridge over Cedar 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

Railroad/Original Owner: Great Northern Railway

Design: 3-40' steel stringers

Steel stringer bridge over US Highway 18

Significance:

This deck plate girder bridge carries a former Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road) line over an unnamed creek alongside Iowa Highway 12 in Westfield

Westfield, Plymouth County, Iowa

Owner: D&I Railroad

Status: In Use

Built 1943 using a span fabricated c. 1900

by

Unknown

for

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

Design: 30' deck plate girder and timber pile trestle

Deck plate girder bridge over unnamed creek

Significance: