Douglas County

Amnicon Falls Bridge 49-16-a   [Map]
Bowstring pony truss bridge over Amnicon River on Amnicon Falls State Park Trail
Open to pedestrians
Built ca. 1900 by Charles Horton, moved to Amnicon Fall State Park in 1930 and roof added in 1939.
Arrowhead Bridge   [Map]
Lost deck truss bridge over St Louis Bay on US Highway 2
Demolished
Blatnik Bridge   [Map · Street View]
Steel through arch bridge over St. Louis Bay on I-535/US 53 between Duluth and Superior
Open to traffic
Built 1961; rehabilitated 1994
BNSF - Black River Bridge   [Map]
Deck Plate Girder Bridge over Black River on BNSF Railway
Open
BNSF - Nemadji River Bridge (Bolyston)   [Map · Street View]
Deck plate bridge over Nemadji River on BNSF Railway near Boylston
Open to traffic
Built 1909
BNSF - Nemadji River Bridge (Saunders)   [Map]
Warren deck truss bridge over Nemadji River on BNSF Railway
Open to traffic
Built 1899. Approached rebuilt 1906, lengthened 1912, West Approach Rebuilt 2009
Bong Bridge   [Map · Street View]
Steel through arch bridge over St. Louis River on US 2 in Superior
Open to traffic
Built 1983; rehabilitated 1984
CN - Nemadji River Bridge (Saunders)   [Map]
Deck plate girder bridge over Nemadji River on Canadian National Railway
Open to traffic
Built 1910
CN - Nemadji River Bridge (South Superior)   [Map]
Warren pony truss bridge over Nemadji River on Canadian National Railway
Open to traffic
Built 1906
Dedham Road Bridge   [Map]
Through truss bridge over Nemadji River on Dedham Road
Replaced by a new bridge
Built 1914
Grassy Point Drawbridge   [Map · Street View]
Pratt through truss bridge over St. Louis River on BNSF Railway
Open to traffic
Built 1912
Interstate Bridge   [Map · Street View]
Parker through truss bridge over St. Louis River on Fishing pier (former railroad, US 53)
Open to pedestrians
Built 1897; swing span replaced 1906; replaced by Blatnik Bridge 1961, all but northern span removed 1970's
Middle River Bridge   [Map]
Concrete arch bridge over Middle River on Road 11
Open to traffic
Built 1925
Nemadji River Bridge   [Map]
Lost Polygonal Warren through truss bridge over Nemadji River on Sth 35
Replaced by new bridge
Built 1948; rehabilitated 1987; replaced 2003
Nemadji River bridge   [Map]
Pratt through truss bridge over Nemadji River on E Hammond Ave/E Limits Rd
Abandoned
Damaged by fire and abandoned in 1976
Old Hwy 53 St Croix River Bridge   [Map]
Concrete pony/through girder bridge over St Croix River on Old Hwy 53
Open
Built 1928
Oliver Swing Bridge   [Map · Street View]
Double-decker swing bridge over St. Louis River on WI 105 and CN Railway
Open to traffic
Built 1916
Osaugie Trail - Bluff Creek Bridge   [Map · Street View]
Deck plate girder bridge over Bluff Creek on Osaugie Trail
Open to pedestrians only
Built 1955
Osaugie Trail - Nemadji River Bridge   [Map · Street View]
Pony/through plate girder bridge over Nemadji River on Osaugie Trail
Open to pedestrians only
Built 1904
Sleepy Valley Bridge   [Map]
Warren pony truss bridge over Middle River on Sleepy Valley
Open to traffic
Built 1910
St. Louis Bay Bridge   [Map]
Lost Pratt through truss bridge over St. Louis Bay on Burlington Northern
Removed
Built 1908, Removed 1986
St. Louis River Bridge   [Map · Street View]
Concrete arch bridge over St. Louis River on MN 23 in Duluth
Open to traffic
Built 1919
Taylor Bridge   [Map]
Queenpost pony truss bridge over Middle River on Bayfield Road in Amnicon
Replaced by new bridge and now in private ownership
Built 1929-1930; Replaced by a new bridge in 1998 and moved to another location on dry ground.
Tri County Corridor - Amnicon Falls Bridge   [Map]
Pony/through plate girder bridge over Amnicon River on Tri County Corridor
Open to pedestrians only
Built 1908
Tri County Corridor - Bois Brule River Bridge   [Map · Street View]
Lattice deck truss bridge over Bois Brule River on Tri County Crridor
Open to pedestrians only
Built 1921
UP - 6th Avenue Bridge   [Map · Street View]
Pony/through plate girder bridge over 6th Avenue on Union Pacific Railroad
Open to traffic
Built 1915
UP - Nemadji River Bridge   [Map]
Through Girder Bridge over Nemadji River on Union Pacific Railroad
Open
Built 1916 on an existing pier
Wild Rivers Trail - St Croix River Bridge   [Map]
Deck plate girder bridge over St Croix River on Wild RIvers Trail (former C&NW Ry)
Open to pedestrians only