St. Louis River

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Alborn-Pengilly Trail - St. Louis River Bridge (St. Louis County, Minnesota)
Built 1906
Deck plate girder bridge over St. Louis River on Alborn-Pengilly Trail
Open to pedestrians only

CTRR - Lower Dunlap Island Bridge (Carlton County, Minnesota)
Deck plate girder bridge over St. Louis River on Cloquet Terminal Railroad
Open to traffic

Grassy Point Drawbridge (Douglas County, Wisconsin)
Built 1912
Pratt through truss bridge over St. Louis River on BNSF Railway
Open to traffic

Interstate Bridge (St. Louis County, Minnesota)
Built 1897; Swing span struck and replaced 1906; replaced by Blatnik Bridge 1961, all but northern span removed 1970's
Parker through truss bridge over St. Louis River on Fishing pier (former railroad, US 53)
Open to pedestrians

St. Louis Bay Bridge (St. Louis County, Minnesota)
Built 1908, Removed 1986
Lost Pratt through truss bridge over St. Louis Bay on Burlington Northern
Removed

Upper Dunlap Island Trail Bridge (Carlton County, Minnesota)
Deck plate girder bridge over St. Louis River on Local Trail (Former DN&E Railroad)
Open to pedestrians only

Willard Munger Trail - Forbay Canal Bridge (Carlton County, Minnesota)
Built 1907
Pony/through plate girder bridge over Forbay Canal on Willard Munger Trail
Open to pedestrians only

Willard Munger Trail - St. Louis River Bridge (Carlton County, Minnesota)
Built 1907
Pratt through truss bridge over St. Louis River on Willard Munger State Trail
Open to pedestrians only