Duluth, Minnesota

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Arrowhead Bridge (St. Louis County, Minnesota)
Lost deck truss bascule bridge over St Louis Bay on US Highway 2
Demolished

BN - St. Louis Bay Double Swing Bridge (St. Louis County, Minnesota)
Built 1908, Removed 1986
Lost Pratt through truss swing bridges over St. Louis Bay on Burlington Northern
Removed

BNSF - Idaho Street Bridge (St. Louis County, Minnesota)
Built 1930
Steel stringer bridge over Idaho Street on DM&IR Railway
Open to traffic

BNSF - Michigan Street Overpass (St. Louis County, Minnesota)
Built 1937
Abandoned steel stringer bridge over Michigan Street on Abandoned BNSF Railway
Derelict/abandoned

Boundary Avenue Bridge (St. Louis County, Minnesota)
Built 1920 by A.T. Nelson; replaced in 1995
Lost arch bridge over Kingsbury Creek on Boundary Avenue
Replaced by new bridge

Bridge L8515 (St. Louis County, Minnesota)
Built 1922
Closed-spandrel arch bridge over Tischer Creek on West Lewis Street
Open to traffic

Chester Creek Bridge (St. Louis County, Minnesota)
Built 1919; rehabilitated 2002
Concrete arch bridge over Chester Creek on 9th Street in Duluth
Open to traffic

Chester Creek Bridge (St. Louis County, Minnesota)
Built 1910
Stone arch bridge over Chester Creek on E. Superior Street in Duluth
Open to traffic

Chester River Bridge (St. Louis County, Minnesota)
Built 1933
Stone arch bridge over Chester River on CR 9 in Duluth
Open to traffic

Chesters Creek Bridge (St. Louis County, Minnesota)
Built 1915
Stone arch bridge over Chesters Creek on London Road in Duluth
Open to traffic

Chesters Creek Bridge (St. Louis County, Minnesota)
Built 1915
Stone arch bridge over Chesters Creek on 3rd Street in Duluth
Open to traffic

Chesters Creek Bridge (St. Louis County, Minnesota)
Built 1915
Stone arch bridge over Chesters Creek on 2nd Street in Duluth
Open to traffic

CN - 108th Avenue Overpass (St. Louis County, Minnesota)
Built 1913, Bypassed 2015
Deck plate girder bridge over 108th Avenue on Canadian National Railway
Intact but closed to all traffic

CN - Grand Avenue Viaduct (St. Louis County, Minnesota)
Built 1904
Deck plate girder bridge over Grand Avenue, Superior Street and Carlton Avenue on Canadian National Railway
Open to traffic

CN - Highland Street Bridge (St. Louis County, Minnesota)
Built 1921
Pony/through plate girder bridge over Highland Street on Canadian National Railway
Open to traffic

CN - I-35 Bridge (Northbound) (St. Louis County, Minnesota)
Built 1956
Pony/through plate girder bridge over I-35 Northbound on Canadian National Railway
Open to traffic

CN - I-35 Bridge (Southbound) (St. Louis County, Minnesota)
Built 1965
Pony/through plate girder bridge over I-35 Southbound on Canadian National Railway
Open to traffic

CN - Keene Creek Bridge (St. Louis County, Minnesota)
Deck plate girder bridge over Keene Creek on Canadian National Railway
Open to traffic

CN - Kingsbury Creek Bridge (St. Louis County, Minnesota)
Deck plate girder bridge over Kingsbury Creek on Canadian National Railway
Open to traffic

CN - MN-23 Overpass (St. Louis County, Minnesota)
Built 1940, New Bridges Built 2014
Pony/through plate girder bridge over MN-23 on DM&IR Railway
Replaced by a new bridge

CN - Ore Dock #6 Viaduct (St. Louis County, Minnesota)
Built 1918, Portion over I-35 Reconstructed 1966
Deck plate girder bridge over I-35 and City Streets on Canadian National Railway
Open to traffic

CN - Superior Hiking Trail Bridge (St. Louis County, Minnesota)
Deck plate girder bridge over Superior Hiking Trail on Canadian National Railway
Open to traffic

CN - U.S. Steel Creek Tributary Bridge (St. Louis County, Minnesota)
Deck plate girder bridge over U.S. Steel Creek Tributary on Bypassed Canadian National Railway
Intact but closed to all traffic

CN - US-2 Eastbound Bridge (St. Louis County, Minnesota)
Built 1965
Pony/through plate girder bridge over US Highway 2 Eastbound on Canadian National Railway
Open to traffic

CP - 37th Avenue Overpass (St. Louis County, Minnesota)
Built 1907
Through Girder Bridge over 37th Avenue on abandoned Canadian Pacific Railway
Bridge has been stored and put up for sale.

DM&IR Ore Dock #5 Viaduct (St. Louis County, Minnesota)
Built 1913; Section over Interstate 35 reconfigured 1966; Abandoned 1985
Abandoned girder bridge over Grand Avenue, Carlton Street, South Michigan Street, & Interstate 35 on Duluth, Missabe, & Iron Range Railroad Ore Dock #5
Abandoned

Duluth Aerial Lift Bridge (St. Louis County, Minnesota)
Opened as a transporter bridge in 1905; reconstructed as a vertical-lift bridge in 1930; rehabilitated 1986, 1999, 2007, 2009
Vertical-lift through truss bridge over the Duluth Ship Canal on Lake Avenue in Duluth
Open to traffic

DWP - 60th Avenue Overpass (St. Louis County, Minnesota)
Lost Bridge over 60th Avenue on Duluth, Winnipeg & Pacific Railway
Removed

DWP - Alley Overpass (St. Louis County, Minnesota)
Lost Bridge over Alley on Duluth, Winnipeg & Pacific Railway
Removed

DWP - West Duluth Viaduct (St. Louis County, Minnesota)
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 - High Bridge (St. Louis County, Minnesota)
Built 1911
Deck plate girder bridge over Unnamed Creek on DWP Trail


DWP Trail - Kingsbury Creek Bridge (St. Louis County, Minnesota)
Built 1911
Stone arch bridge over Kingsbury Creek on DWP Trail
Open to pedestrians only

DWP Trail - Zoo Stone Arch (St. Louis County, Minnesota)
Built 1911
Stone arch bridge over Hiking Trail on DWP Trail
Open to pedestrians only

East Skyline Parkway Bridge (St. Louis County, Minnesota)
Built 2006
Culvert bridge over Amity Creek on E Skyline
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

John A. Blatnik Bridge (Douglas County, Wisconsin)
Built 1961; rehabilitated 1994
Steel through arch bridge over St. Louis Bay on I-535/US 53 between Duluth and Superior
Open to traffic

Lester River Bridge (St. Louis County, Minnesota)
Built 1935
Concrete arch bridge over Lester River on MN 61 in Duluth
Open to traffic

LS&M Stone Arch Culvert (St. Louis County, Minnesota)
Built 1870
Abandoned stone arch bridge
Derelict/abandoned

LS&M Wood Trestle (St. Louis County, Minnesota)
Abandoned timber stringer bridge
Derelict/abandoned

Miller Creek Bridge (St. Louis County, Minnesota)
Built 1940
Concrete arch bridge over Miller Creek on US 53 in Duluth
Open to traffic

Miller Creek Bridge (St. Louis County, Minnesota)
Built 1925
Concrete arch bridge over Miller Creek on 26th Avenue W in Duluth
Open to traffic

Miller Creek Bridge (St. Louis County, Minnesota)
Built 1930
Stone arch bridge over Miller Creek on Lincoln Parkway in Duluth
Open to traffic

Miller Creek Bridge (St. Louis County, Minnesota)
Built 1927
Concrete arch bridge over Miller Creek on MN 361 (10th Street) in Duluth
Open to traffic

Millers Creek Bridge (St. Louis County, Minnesota)
Built 1925
Concrete arch bridge over Millers Creek on 3rd Street W in Duluth
Open to traffic

Millers Creek Bridge (St. Louis County, Minnesota)
Built 1904
Stone arch bridge over Millers Creek on Michigan Street in Duluth
Open to traffic

Millers Creek Bridge (St. Louis County, Minnesota)
Built 1904
Stone arch bridge over Millers Creek on 1st Street in Duluth
Open to traffic

Minnesota Slip Drawbridge (St. Louis County, Minnesota)
Built 1991
Bascule bridge over MInnesota Slip on Pedestrian Traffic
Open to pedestrians only

Mission Creek Bridge (St. Louis County, Minnesota)
Built 1937
Steel arch bridge over Mission Creek on MN 23 in Duluth
Open to traffic

NSSR - 32nd Avenue Overpass (St. Louis County, Minnesota)
Built 1920; Replaced 2006
Concrete arch bridge over MN 699 (32nd Avenue E) on SL&LC Railroad in Duluth
Replaced by steel stringer bridge

NSSR - 36th Avenue Overpass (St. Louis County, Minnesota)
Built 1920, Replaced 2014
Concrete arch bridge over 36th Avenue E on SL&LC Railroad in Duluth
Replaced by a new bridge

NSSR - Lester River Bridge (St. Louis County, Minnesota)
Built 1896; Main Deck Truss Replaced 1944
Deck plate girder bridge over Lester River on Railroad (NSSR)
Open to traffic

NSSR - Tischer Creek Bridge (St. Louis County, Minnesota)
Deck plate girder bridge over Tischer Creek on North Shore Scenic Railroad
Open to traffic

Old Lester Park Bridge (St. Louis County, Minnesota)
Replaced 1971
Lost Warren pony truss bridge over Lester River on Superior Street
Replaced by a new bridge

Seven Bridges Road Bridge #1 (St. Louis County, Minnesota)
Built 2006
Culvert bridge over Amity Creek on E Skyline
Open to traffic

Seven Bridges Road Bridge #2 (St. Louis County, Minnesota)
Built 2002
Arch bridge over Amity Creek on E Skyline
Open to traffic

Seven Bridges Road Bridge #3 (St. Louis County, Minnesota)
Built 1912
Deck arch bridge over Amity Creek on E Skyline
Open to traffic

Seven Bridges Road Bridge #4 (St. Louis County, Minnesota)
Built 2004
Deck arch bridge over Amity Creek on E Skyline
Open to traffic

Seven Bridges Road Bridge #5 (St. Louis County, Minnesota)
Built 1912; rehabilitated 2001
Deck arch bridge over Amity Creek on E Skyline
Open to traffic

Seven Bridges Road Bridge #6 (St. Louis County, Minnesota)
Built 1912
Deck arch bridge over Amity Creek on E Skyline/Mun 712
Open to traffic

Seven Bridges Road Bridge #7 (St. Louis County, Minnesota)
Built 1912
Deck arch bridge over Amity Creek on E Skyline
Open to traffic

Seven Bridges Road Bridge #8 (St. Louis County, Minnesota)
Built 1912
Concrete arch bridge over Amity Creek on Skyline Road in Duluth
Open to traffic

Sixth Avenue West Viaduct (St. Louis County, Minnesota)
Built ?; Replaced 1967
Lost Pratt through truss bridge over Duluth Union Depot on 6th Avenue West
Replaced by a new bridge

St. Louis River Bridge (St. Louis County, Minnesota)
Built 1919
Concrete arch bridge over St. Louis River on MN 23 in Duluth
Open to traffic

Stewart Creek Bridge (St. Louis County, Minnesota)
Built 1919
Stone arch bridge over Stewart Creek on Skyline Parkway in Duluth
Open to traffic

Superior Street Bridge (St. Louis County, Minnesota)
Built 1904
Stone arch bridge over Miller Creek on Superior Street in Duluth
Open to traffic

Tischer Creek Bridge (St. Louis County, Minnesota)
Built 1925
Concrete arch bridge over Tischer Creek on 4th Street in Duluth
Open to traffic

Tischers Creek Bridge (St. Louis County, Minnesota)
Built 1915
Stone arch bridge over Tischers Creek on MN 61 in Duluth
Open to traffic

Tischers Creek Bridge (St. Louis County, Minnesota)
Built 1922
Concrete arch bridge over Tischers Creek on MN 923 in Duluth
Open to traffic

Willard Munger Trail - 93rd Avenue Overpass (St. Louis County, Minnesota)
Built 1930
Through Plate Girder bridge over 93rd Avenue on Munger Trail
Open to pedestrians only

Willard Munger Trail - MN-23 Overpass (St. Louis County, Minnesota)
Built 1940
Steel stringer bridge over MN-23 on Willard Munger Trail
Open to pedestrians only