Railroad Bridges in St. Louis CountyMinnesota

St. Louis County is located in northeast Minnesota. The seat and largest city are both Duluth.
Cities

Random Bridges

Bellefontaine Bridge
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Bellefontaine Bridge

(Chicago, Burlington and Quincy Railroad Bridge #18.79)

This massive Baltimore through truss carries the BNSF Railway across the Missouri River near West Alton

West Alton, St. Charles County, Missouri to Florissant, St. Louis County, Missouri

Owner: BNSF Railway

Status: In Use

1893

by

New Jersey Steel & Iron Company of Trenton, New Jersey

for

Railroad/Original Owner: Chicago, Burlington & Quincy Railroad

Design: 4-440' Baltimore through trusses and deck plate girder

Baltimore through truss bridge over Missouri River

Significance:

National

BNSF Meramec River Bridge (Hollywood Beach)
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BNSF Meramec River Bridge (Hollywood Beach)

(St. Louis-San Francisco Railway Bridge #T18.9)

This large through truss bridge crosses the Meramec River between Oakville and Arnold

Arnold, Jefferson County, Missouri to Oakville, St. Louis County, Missouri

Owner: BNSF Railway

Status: In Use

Built 1902 and 1955

by

American Bridge Company of New York and Unknown

for

Railroad/Original Owner: St. Louis, Memphis & Southeastern Railroad

Design: 3-150' Pratt through trusses and steel stringer

Pratt through truss bridge over Meramec River

Significance:

Regional

Grassy Point Swing Bridge
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Grassy Point Swing Bridge

(Northern Pacific Railway Bridge #94.6)

This Baltimore through truss swing bridge crosses the St. Louis River south of US Highway 2

Superior, Douglas County, Wisconsin to Duluth, St. Louis County, Minnesota

Owner: BNSF Railway

Status: In Use

Built 1912

by

American Bridge Company of New York and Pittsburgh Construction Company of Pittsburgh, Pennsylvania

for

Railroad/Original Owner: Northern Pacific Railway

Design: 425' Baltimore through truss swing span, 2-80' through plate girders and timber pile trestle

Baltimore through truss swing bridge over St. Louis River

Significance:

Regional

Interstate Bridge
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Interstate Bridge

This through truss swing bridge once carried the Great Northern Railway across the St. Louis River below the present-day Blatnik Bridge

Superior, Douglas County, Wisconsin to Duluth, St. Louis County, Minnesota

Owner: Duluth Port Authority

Status: Partially Demolished, Remaining Spans Open to Pedestrian Traffic

Built 1897

by

Pennsylvania Steel Company of Steelton, Pennsylvania

for

Railroad/Original Owner: Duluth-Superior Bridge Company

Design: 302' Pennsylvania through truss

Partially removed through truss bridge over St. Louis River

Significance:

Regional