Historic Bridges
of the United States
St. Louis River Bridge
St. Louis County
,
Minnesota
Overview
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Terraserver USA
Facts
Overview
Concrete arch bridge over St. Louis River on MN 23 in Duluth
Location
Duluth
,
St. Louis County
,
Minnesota
Status
Open to traffic
History
Built 1919
Design
Arch
Dimensions
Length of largest span: 116.1 ft.
Total length: 738.9 ft.
Deck width: 44.0 ft.
Approximate latitude, longitude
+46.65833, -92.28333
(decimal degrees)
46°39'30" N, 92°16'60" W
(degrees°minutes'seconds")
Inventory numbers
MN 6313
(Minnesota bridge number)
BH 20627
(Bridgehunter.com ID)
Inspection
(as of 05/2005)
Deck condition rating:
Satisfactory
(6 out of 9)
Superstructure condition rating:
Good
(7 out of 9)
Substructure condition rating:
Satisfactory
(6 out of 9)
Sufficiency rating: 88.7
(out of 100)
Average daily traffic
(as of 2004)
1,200
Categories
Arch
(7,553)
Built 1919
(227)
Built during 1910s
(3,558)
Deck arch
(6,647)
Duluth, Minnesota
(24)
MN 23
(3)
Minnesota
(426)
Open
(21,595)
Owned by state
(6,526)
Span length 100-125 feet
(2,259)
St. Louis County, Minnesota
(44)
Total length 500-1000 feet
(996)
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