St. Louis County

Alborn-Pengilly Trail - St. Louis River Bridge   [Map]
Deck plate girder bridge over St. Louis River on Alborn-Pengilly Trail
Open to pedestrians only
Built 1906
Alborn-Pengilly Trail - Whiteface River Bridge   [Map]
Deck plate girder bridge over Whiteface River on Alborn-Pengilly Trail
Open to pedestrians only
Alborn-Pengilly Trail /BNSF Overpass   [Map · Street View]
Through Plate Girder bridge over DM&IR Railway on Alborn-Pengilly Trail
Open to pedestrians only
Built 1912
Arrowhead Bridge   [Map]
Lost deck truss bascule bridge over St Louis Bay on US Highway 2
Demolished
Bearskin River Bridge   [Map]
Warren pony truss bridge over Bearskin River on CR 962
Demolished and replaced
Built 1919, demolished 2011
Bearskin River Bridge   [Map · Street View]
Lost steel stringer bridge over Bearskin River on Csah 5
Replaced by a new bridge
Built 1934; replaced 2017
Big Sucker River Bridge   [Map · Street View]
Concrete arch bridge over Big Sucker River on CR 61
Open to traffic
Built 1950
BN - St. Louis Bay Double Swing Bridge   [Map · Street View]
Lost Pratt through truss swing bridges over St. Louis Bay on Burlington Northern
Removed
Built 1908, Removed 1986
BNSF - Arbor Street Overpass   [Map · Street View]
Concrete arch bridge over Arbor Street on DM&IR Railroad in Duluth
Open to traffic
Built 1914
BNSF - East Savanna River Bridge   [Map · Street View]
Deck plate girder bridge over East Savannah River on BNSF Railway
Open to traffic
Built 1954, likely using older pieces
BNSF - East Swan River Bridge   [Map]
Deck plate girder bridge over East Swan River on BNSF Railway
Open to traffic
Built 1929
BNSF - Grassy Point Drawbridge   [Map · Street View]
Pratt through truss bridge over St. Louis River on BNSF Railway
Open to traffic
Built 1912
BNSF - Idaho Street Bridge   [Map · Street View]
Steel stringer bridge over Idaho Street on DM&IR Railway
Open to traffic
Built 1930
BNSF - Michigan Street Overpass   [Map · Street View]
Abandoned steel stringer bridge over Michigan Street on Abandoned BNSF Railway
Derelict/abandoned
Built 1937
BNSF - St. Louis River Bridge (Brookston)   [Map]
Deck plate girder bridge over St. Louis River on BNSF Railway
Open to traffic
Built 1930, Approaches updated 1956
BNSF - St. Louis River Bridge (Casco)   [Map]
Deck plate girder bridge over St. Louis River on BNSF Railway
Open to traffic
Built 1919
BNSF - Whiteface River Bridge   [Map]
Deck plate girder bridge over Whiteface River on BNSF Railway
Open to traffic
Built 1908; Deck Replaced Ca. 2000
Boundary Avenue Bridge   [Map]
Lost arch bridge over Kingsbury Creek on Boundary Avenue
Replaced by new bridge
Built 1920 by A.T. Nelson; replaced in 1995
Bridge 92101   [Map]
Warren pony truss bridge over Pike River on County road 373
In storage or disassembled
Built 1905; rehabilitated 1944
Bridge L8515   [Map · Street View]
Closed-spandrel arch bridge over Tischer Creek on West Lewis Street
Open to traffic
Built 1922
Brosseau Road Bridge   [Map]
Lost Parker through truss bridge over Cloquett River on Brosseau Road (County Road 694)
No longer exists
Built in 1911 by the Penn Bridge Co.; replaced 1998
Chester Creek Bridge   [Map · Street View]
Concrete arch bridge over Chester Creek on 9th Street in Duluth
Open to traffic
Built 1919; rehabilitated 2002
Chester Creek Bridge   [Map · Street View]
Stone arch bridge over Chester Creek on E. Superior Street in Duluth
Open to traffic
Built 1910
Chester River Bridge   [Map]
Stone arch bridge over Chester River on CR 9 in Duluth
Open to traffic
Built 1933
Chesters Creek Bridge   [Map]
Stone arch bridge over Chesters Creek on London Road in Duluth
Open to traffic
Built 1915
Chesters Creek Bridge   [Map]
Stone arch bridge over Chesters Creek on 3rd Street in Duluth
Open to traffic
Built 1915
Chesters Creek Bridge   [Map]
Stone arch bridge over Chesters Creek on 2nd Street in Duluth
Open to traffic
Built 1915
Cloquet River Bridge   [Map · Street View]
Lost Parker Through truss bridge over Cloquet River on CR 7
Replaced by new bridge
Built 1935; replaced 2012
CN - 108th Avenue Overpass   [Map · Street View]
Deck plate girder bridge over 108th Avenue on Canadian National Railway
Intact but closed to all traffic
Built 1913, Bypassed 2015
CN - Cloquet River Bridge   [Map]
Warren deck truss bridge over Cloquet River on Canadian National Railway (formerly Duluth, Missabe & Iron Range Railway)
Open to traffic
SB Span Built 1906, NB Span Built 1924
CN - Cloquet River Bridge (Brimson)   [Map]
Deck plate girder bridge over Cloquet River on Canadian National Railway
Open to traffic
CN - Cloquet River Bridge (Taft)   [Map]
Deck plate girder bridge over Cloquet River on Canadian National Railway
Open to traffic
CN - Embarrass River Bridge   [Map · Street View]
Closed-spandrel arch bridge over Embarrass River on Canadian National Railway
Intact but closed to all traffic
CN - Forbes Bridge   [Map]
Deck plate girder bridge over St. Louis River on Canadian National Railway
Open to traffic
Built 1917
CN - Grand Avenue Viaduct   [Map · Street View]
Deck plate girder bridge over Grand Avenue, Superior Street and Carlton Avenue on Canadian National Railway
Open to traffic
Built 1904
CN - Highland Street Bridge   [Map · Street View]
Pony/through plate girder bridge over Highland Street on Canadian National Railway
Open to traffic
Built 1921
CN - I-35 Bridge (NB)   [Map · Street View]
Pony/through plate girder bridge over I-35 Northbound on Canadian National Railway
Open to traffic
Built 1956
CN - I-35 Bridge (SB)   [Map · Street View]
Pony/through plate girder bridge over I-35 Southbound on Canadian National Railway
Open to traffic
Built 1965
CN - Keene Creek Bridge   [Map · Street View]
Deck plate girder bridge over Keene Creek on Canadian National Railway
Open to traffic
CN - Kingsbury Creek Bridge   [Map · Street View]
Deck plate girder bridge over Kingsbury Creek on Canadian National Railway
Open to traffic
CN - Miller Trunk Road Bridge   [Map · Street View]
Steel stringer bridge over Miller Trunk Road (County Road 132) on Canadian National Railway
Open to traffic
Built 1939
CN - MN-23 Overpass   [Map · Street View]
Pony/through plate girder bridge over MN-23 on DM&IR Railway
Replaced by a new bridge
Built 1940, New Bridges Built 2014
CN - Oliver Approach Bridge   [Map · Street View]
Deck plate girder bridge over CN Access Road on Canadian National Railway
Open to traffic
Built 1910
CN - Ore Dock #6 Viaduct   [Map · Street View]
Deck plate girder bridge over I-35 and City Streets on Canadian National Railway
Open to traffic
Built 1918, Portion over I-35 Reconstructed 1966
CN - Partridge River Bridge   [Map]
Deck plate girder bridge over Partidge River on Canadian National Railway
Open to traffic
CN - Peary Bridge   [Map]
Deck plate girder bridge over St. Louis River on Canadian National Railway
Open to traffic
CN - Pine Creek Bridge (West)   [Map]
Deck plate girder bridge over Pine Creek on Canadian National Railway
Open to traffic
CN - St. Louis River Bridge (Skibo)   [Map]
Deck plate girder bridge over St. Louis River on Canadian National Railway
Open to traffic
CN - Superior Hiking Trail Bridge   [Map]
Deck plate girder bridge over Superior Hiking Trail on Canadian National Railway
Open to traffic
CN - U.S. Steel Creek Tributary Bridge   [Map]
Deck plate girder bridge over U.S. Steel Creek Tributary on Bypassed Canadian National Railway
Intact but closed to all traffic
CN - US 2 Overpass   [Map · Street View]
Steel stringer bridge over US 2 on DM&IR Railway
Open to traffic
Built 1932
CN - US-2 Bridge (EB)   [Map · Street View]
Pony/through plate girder bridge over US Highway 2 Eastbound on Canadian National Railway
Open to traffic
Built 1965
CN - US-2 Bridge (Munger)   [Map · Street View]
Steel stringer bridge over US Highway 2 on Canadian National Railway
Open to traffic
Built 1958
CN - US-53 Overpass   [Map · Street View]
Pony/through plate girder bridge over US Highway 53 on Canadian National Railway
Open to traffic
Built 1960
CN - Whiteface River Bridge   [Map · Street View]
Pony/through plate girder bridge over Whiteface River on Canadian National Railway
Open to traffic
Built 1916-1917
CN/CN Overpass   [Map]
Pony/through plate girder bridge over Canadian National Railway on Canadian National Railway
Open to traffic
CP - 37th Avenue Overpass   [Map · Street View]
Through Girder Bridge over 37th Avenue on abandoned Canadian Pacific Railway
Bridge has been stored and put up for sale.
Built 1907
CR 468 Bridge   [Map]
Pony truss bridge over Shannon River on CR 468
Replaced by a new bridge
Built 1924, wiped out 2011
CR 68 Bridge   [Map]
Lost Warren pony truss bridge over Pike River on CR 68
Replaced by a new bridge
Built 1928
Dixon Road Bridge   [Map]
Girder bridge over E Swan River on Mun 296(Dixon Rd)
Open to traffic
Built 1916
DM&IR Ore Dock #5 Viaduct   [Map · Street View]
Abandoned girder bridge over Grand Avenue, Carlton Street, South Michigan Street, & Interstate 35 on Duluth, Missabe, & Iron Range Railroad Ore Dock #5
Abandoned
Built 1913; Section over Interstate 35 reconfigured 1966; Abandoned 1985
Duluth Aerial Lift Bridge   [Map · Street View]
Vertical-lift through truss bridge over the Duluth Ship Canal on Lake Avenue in Duluth
Open to traffic
Opened as a transporter bridge in 1905; reconstructed as a vertical-lift bridge in 1930; rehabilitated 1986, 1999, 2007, 2009
DWP - 60th Avenue Overpass   [Map · Street View]
Lost Bridge over 60th Avenue on Duluth, Winnipeg & Pacific Railway
Removed
DWP - Alley Overpass   [Map · Street View]
Lost Bridge over Alley on Duluth, Winnipeg & Pacific Railway
Removed
DWP - West Duluth Viaduct   [Map · Street View]
Lost Pony/through plate girder bridge over 59th Avenue, 58th Avenue, 57th Avenue, 56th Avenue, Central Avenue, Grand Avenue, & Northern Pacific Railway on Duluth, Winnipeg & Pacific Railway
Removed
DWP Trail - Ely's Peak Tunnel   [Map]
Tunnel through Ely's Peak on DWP Trail
Open to pedestrians only
Built 1910; line abandoned 1996
DWP Trail - High Bridge   [Map]
Deck plate girder bridge over Unnamed Creek on DWP Trail
Built 1911
DWP Trail - Kingsbury Creek Bridge   [Map]
Stone arch bridge over Kingsbury Creek on DWP Trail
Open to pedestrians only
Built 1911
DWP Trail - Stewart Creek Bridge   [Map]
Deck plate girder bridge over Stweart Creek on DWP Trail
Open to pedestrians only
Built 1911, Abandoned 1984
DWP Trail - Zoo Stone Arch   [Map]
Stone arch bridge over Hiking Trail on DWP Trail
Open to pedestrians only
Built 1911
East Savanna River Bridge   [Map · Street View]
Lost Warren pony truss bridge with all verticals over East Savanna River on CR 834
Replaced by a new bridge
Built 1953; replaced 2013
East Skyline Parkway Bridge   [Map · Street View]
Culvert bridge over Amity Creek on E Skyline
Open to traffic
Built 2006
Elwood Bridge   [Map · Street View]
Lost Parker through truss bridge over Over DM&IR Ry on County Road 696
Replaced by new bridge
Built 1916; Modified in 1940, 1955 and 1978; replaced in 1996
Embarrass River Bridge   [Map]
Lost Warren with all verticals pony truss bridge over Embarrass River on CR 796
Replaced by a new bridge
Built 1919, replaced 2016
Floodwood River Bridge   [Map]
Lost Pratt through truss bridge over Floodwood River on Elm Street.
Replaced by a new bridge
French River Bridge   [Map]
Concrete open spandrel arch bridge over French River on CR 61
Open to traffic
Built 1921
Huron Cement Rolling Bridge Crane   [Map]
Lost Truss bridge over 8th Ave Pier on Slip #3 on bucket crane for ship unloading
Removed but not replaced
Huron Cement Duluth plant
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 struck and replaced 1906; replaced by Blatnik Bridge 1961, all but northern span removed 1970's
John A. Blatnik Bridge   [Map · Street View]
Steel through cantilevered arch bridge over St. Louis Bay on I-535/US 53 between Duluth and Superior
Open to traffic
Built 1961; rehabilitated 1994
Lester River Bridge   [Map · Street View]
Concrete arch bridge over Lester River on MN 61 in Duluth
Open to traffic
Built 1935
Little Fork River Bridge   [Map · Street View]
Lost Warren pony truss bridge over Little Fork River on US Hwy. 53
Lost
Built 1931
LS&M Stone Arch Culvert   [Map]
Abandoned stone arch bridge
Derelict/abandoned
Built 1870
LS&M Wood Trestle   [Map]
Abandoned timber stringer bridge
Derelict/abandoned
LVTX/DMIR Overpass   [Map]
Deck plate girder bridge over rail on rail
Open to traffic
built ca 1956
Merritt Creek Bridge
Lost concrete arch bridge over Merritt Creek on Grand Avenue in Duluth
No longer exists
Built 1930; replaced 2003
Mesabi Trail - Miller Trunk Road Bridge   [Map · Street View]
Steel stringer bridge over Miller Trunk Road (County Road 132) on Mesabi Trail
Open to pedestrians only
Built 1937
Mesabi Trail - US-53 Bridge   [Map · Street View]
Steel stringer bridge over US Highway 53 on Mesabi Trail
Open to pedestrians only
Built 1960
Miller Creek Bridge   [Map]
Concrete arch bridge over Miller Creek on US 53 in Duluth
Open to traffic
Built 1940
Miller Creek Bridge   [Map]
Concrete arch bridge over Miller Creek on 26th Avenue W in Duluth
Open to traffic
Built 1925
Miller Creek Bridge   [Map · Street View]
Stone arch bridge over Miller Creek on Lincoln Parkway in Duluth
Open to traffic
Built 1930
Miller Creek Bridge   [Map]
Concrete arch bridge over Miller Creek on MN 361 (10th Street) in Duluth
Open to traffic
Built 1927
Millers Creek Bridge   [Map]
Concrete arch bridge over Millers Creek on 3rd Street W in Duluth
Open to traffic
Built 1925
Millers Creek Bridge   [Map]
Stone arch bridge over Millers Creek on Michigan Street in Duluth
Open to traffic
Built 1904
Millers Creek Bridge   [Map]
Stone arch bridge over Millers Creek on 1st Street in Duluth
Open to traffic
Built 1904
Minnesota Slip Drawbridge   [Map · Street View]
Bascule bridge over MInnesota Slip on Pedestrian Traffic
Open to pedestrians only
Built 1991
Mission Creek Bridge   [Map · Street View]
Lost Steel arch bridge over Mission Creek on MN 23 in Duluth
Replaced by a new bridge
Built 1937; Replaced 2019
MN 30 Bridge   [Map]
Concrete arch bridge over Creek on MN 30 in Biwabik
Open to traffic
Built 1921
North Branch Little Fork River Bridge   [Map]
Lost riveted Warren pony truss bridge over North Branch Little Fork River on CR 500
Demolished and replaced
Built 1920, lost 2011
NSSR - 32nd Avenue Overpass   [Map]
Concrete arch bridge over MN 699 (32nd Avenue E) on SL&LC Railroad in Duluth
Replaced by steel stringer bridge
Built 1920; Replaced 2006
NSSR - 36th Avenue Overpass   [Map · Street View]
Concrete arch bridge over 36th Avenue E on SL&LC Railroad in Duluth
Replaced by a new bridge
Built 1920, Replaced 2014
NSSR - Big Sucker River Railroad Bridge   [Map · Street View]
Bridge over Big Sucker River on Lake Shore Railway Museum Ry
Open
NSSR - French River Bridge   [Map]
Bridge over French River on Railroad
Open to traffic
Built 1896
NSSR - Lester River Bridge   [Map · Street View]
Deck plate girder bridge over Lester River on Railroad (NSSR)
Open to traffic
Built 1896; Main Deck Truss Replaced 1944
NSSR - Little Sucker River Railroad Bridge   [Map · Street View]
Deck plate girder bridge over Little Sucker River on Railroad
Open to traffic
NSSR - Tischer Creek Bridge   [Map · Street View]
Deck plate girder bridge over Tischer Creek on North Shore Scenic Railroad
Open to traffic
Old Lester Park Bridge   [Map]
Lost Warren pony truss bridge over Lester River on Superior Street
Replaced by a new bridge
Replaced 1971
Oliver Swing Bridge   [Map · Street View]
Double-decker swing bridge over St. Louis River on WI 105 and CN Railway
Open to traffic
Built 1910
Pines Street Bridge   [Map · Street View]
Pony/through plate girder bridge over East Two Rivers on Mun 4
Open to traffic
Built 1915
Range Line Road Bridge   [Map]
Lost Warren pony truss bridge over Rice River on CR912
Lost
Built ??
Reik Road Bridge   [Map]
Lost Pratt through truss bridge over Little Fork River on CR 495
Destroyed by logging truck, 1992
Built 1920
Rice River Bridge   [Map]
Lost Warren pony truss bridge over Rice River on U.S. Hwy. 53
Lost
Built 1931
Rice River Bridge   [Map · Street View]
Lost Warren pony truss bridge over Rice River on CR668
Lost
Built 1932(?)
Rice River Bridge   [Map · Street View]
Lost Parker through truss bridge over Rice River on US Hwy. 53
Lost
Built 1931
Richard I. Bong Bridge   [Map · Street View]
Steel bowstring tied arch bridge over St. Louis River on US 2 in Superior
Open to traffic
Built 1983; rehabilitated 1984
River Street Bridge   [Map · Street View]
Lost steel stringer bridge over Little Fork River on Mun 10
Replaced by a new bridge
Built 1960; replaced 2018
Seven Bridges Road Bridge #1   [Map · Street View]
Culvert bridge over Amity Creek on E Skyline
Open to traffic
Built 2006
Seven Bridges Road Bridge #2   [Map · Street View]
Arch bridge over Amity Creek on E Skyline
Open to traffic
Built 2002
Seven Bridges Road Bridge #3   [Map · Street View]
Deck arch bridge over Amity Creek on E Skyline
Open to traffic
Built 1912
Seven Bridges Road Bridge #4   [Map · Street View]
Deck arch bridge over Amity Creek on E Skyline
Open to traffic
Built 2004
Seven Bridges Road Bridge #5   [Map · Street View]
Deck arch bridge over Amity Creek on E Skyline
Open to traffic
Built 1912; rehabilitated 2001
Seven Bridges Road Bridge #6   [Map]
Deck arch bridge over Amity Creek on E Skyline/Mun 712
Open to traffic
Built 1912
Seven Bridges Road Bridge #7   [Map · Street View]
Deck arch bridge over Amity Creek on E Skyline
Open to traffic
Built 1912
Seven Bridges Road Bridge #8   [Map · Street View]
Concrete arch bridge over Amity Creek on Skyline Road in Duluth
Open to traffic
Built 1912
Sixth Avenue West Viaduct   [Map]
Lost Pratt through truss bridge over Duluth Union Depot on 6th Avenue West
Replaced by a new bridge
Built ?; Replaced 1967
St. Louis River Bridge   [Map · Street View]
Concrete arch bridge over St. Louis River on MN 23 in Duluth
Open to traffic
Built 1919
St. Louis River Bridge   [Map]
Lost Parker through truss bridge over St Louis River on CR 7
Replaced by lame concrete slab
Built 1934, replaced 1996
Stewart Creek Bridge   [Map]
Stone arch bridge over Stewart Creek on Skyline Parkway in Duluth
Open to traffic
Built 1919
Sturgeon River Bridge   [Map]
Pony truss bridge over Sturgeon River on CR 107
Replaced by new bridge
Built 1922; replaced 2016
Sturgeon River Bridge   [Map]
Lost Warren pony truss bridge over Sturgeon River on CR 652
No longer exists
Built 1919; replaced 2004
Sturgeon River Bridge   [Map]
Riveted Warren pony truss bridge over Sturgeon River on CR 492
Demolished and replaced.
Built 1927
Sturgeon River Bridge   [Map]
Through truss bridge over Sturgeon River on CR 931
Open to traffic
Built 1919
Superior Hiking Trail - Keene Creek Bridge   [Map · Street View]
Open-spandrel arch bridge over Keene Creek on Superior Hiking Trail (former Getchell Road?)
Open to pedestrians only
Superior Street Bridge   [Map]
Stone arch bridge over Miller Creek on Superior Street in Duluth
Open to traffic
Built 1904
Tischer Creek Bridge   [Map]
Concrete arch bridge over Tischer Creek on 4th Street in Duluth
Open to traffic
Built 1925
Tischers Creek Bridge   [Map]
Stone arch bridge over Tischers Creek on MN 61 in Duluth
Open to traffic
Built 1915
Tischers Creek Bridge   [Map]
Concrete arch bridge over Tischers Creek on MN 923 in Duluth
Open to traffic
Built 1922
West Olson Road Bridge   [Map]
Lost Parker through truss bridge over Little Fork River on Csah 114
Replaced by new bridge
Built 1917
West Swan River Bridge   [Map]
Lost Pony truss bridge over West Swan River on CR 965
Replaced by a new bridge
Built 1921
West Two Rivers Bridge   [Map]
Lost pony truss bridge over West Two Rivers on CR 447
Replaced by a new bridge
Built 1919
Whiteface River Bridge   [Map]
Lost Pratt through truss bridge over Whiteface River on wagon road
Removed but not replaced
Willard Munger Trail - 93rd Avenue Overpass   [Map · Street View]
Through Plate Girder bridge over 93rd Avenue on Munger Trail
Open to pedestrians only
Built 1930
Willard Munger Trail - CN Overpass   [Map · Street View]
Pony/through plate girder bridge over Abandoned Canadian National Railway on Willard Munger Trail
Open to pedestrians only
Built 1913
Willard Munger Trail - MN-23 Overpass   [Map · Street View]
Steel stringer bridge over MN-23 on Willard Munger Trail
Open to pedestrians only
Built 1940
Willard Munger Trail - Stone Culvert   [Map]
Stone Box Culvert over Stewart Creek on Willard Munger Trail
Open to pedestrians only