32nd Avenue Bridge Concrete arch bridge over MN 699 (32nd Avenue E) on SL&LC Railroad in Duluth Open to traffic Built 1920
36th Avenue Bridge Concrete arch bridge over 36th Avenue E on SL&LC Railroad in Duluth Open to traffic Built 1920
Amity Creek Bridge Concrete arch bridge over Amity Creek on Skyline Road in Duluth Open to traffic Built 1912
Arbor Street Bridge Concrete arch bridge over Arbor Street on DM&IR Railroad in Duluth Open to traffic Built 1914
Bearskin River Bridge Pony truss bridge over Bearskin River on CR 962 Open to traffic Built 1919
Big Sucker River Bridge Concrete arch bridge over Big Sucker River on CR 61 Open to traffic Built 1950
Blatnik Bridge Steel through arch bridge over St. Louis Bay on I-535/US 53 between Duluth and Superior Open to traffic Built 1961; rehabilitated 1994
Chester Creek Bridge Concrete arch bridge over Chester Creek on 9th Street in Duluth Open to traffic Built 1919; rehabilitated 2002
Chester Creek Bridge Stone arch bridge over Chester Creek on E. Superior Street in Duluth Open to traffic Built 1910
Chester River Bridge Stone arch bridge over Chester River on CR 9 in Duluth Open to traffic Built 1933
Chesters Creek Bridge Stone arch bridge over Chesters Creek on London Road in Duluth Open to traffic Built 1915
Chesters Creek Bridge Stone arch bridge over Chesters Creek on 3rd Street in Duluth Open to traffic Built 1915
Chesters Creek Bridge Stone arch bridge over Chesters Creek on 2nd Street in Duluth Open to traffic Built 1915
Cloquet River Bridge Through truss bridge over Cloquet River on CR 7 Open to traffic Built 1935
CR 468 Bridge Pony truss bridge over an unnamed creek on CR 468 Open to traffic Built 1924
CR 68 Bridge Pony truss bridge over an unnamed creek on CR 68 Open to traffic Built 1928
Duluth Aerial Lift Bridge 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 2000
East Savanna River Bridge Pony truss bridge over East Savanna River on CR 834 Open to traffic Built 1953
Embarrass River Bridge Pony truss bridge over Embarrass River on CR 796 Open to traffic Built 1919
French River Bridge Concrete arch bridge over French River on CR 61 Open to traffic Built 1921
Lester River Bridge Concrete arch bridge over Lester River on MN 61 in Duluth Open to traffic Built 1935
Merritt Creek Bridge Lost concrete arch bridge over Merritt Creek on Grand Avenue in Duluth No longer exists Built 1930; replaced 2003
Miller Creek Bridge Concrete arch bridge over Miller Creek on US 53 in Duluth Open to traffic Built 1940
Miller Creek Bridge Concrete arch bridge over Miller Creek on 26th Avenue W in Duluth Open to traffic Built 1925
Miller Creek Bridge Stone arch bridge over Miller Creek on Lincoln Parkway in Duluth Open to traffic Built 1930
Miller Creek Bridge Concrete arch bridge over Miller Creek on MN 361 (10th Street) in Duluth Open to traffic Built 1927
Millers Creek Bridge Concrete arch bridge over Millers Creek on 3rd Street W in Duluth Open to traffic Built 1925
Millers Creek Bridge Stone arch bridge over Millers Creek on Michigan Street in Duluth Open to traffic Built 1904
Millers Creek Bridge Stone arch bridge over Millers Creek on 1st Street in Duluth Open to traffic Built 1904
Mission Creek Bridge Steel arch bridge over Mission Creek on MN 23 in Duluth Open to traffic Built 1937
MN 30 Bridge Concrete arch bridge over Creek on MN 30 in Biwabik Open to traffic Built 1921