Duluth-Superior Transit Co.
Reporting mark: DST
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, 2009Vertical-lift through truss bridge over the Duluth Ship Canal on Lake Avenue in DuluthOpen to traffic
(St. Louis County, Minnesota)Built 1897; Swing span struck and replaced 1906; replaced by Blatnik Bridge 1961, all but northern span removed 1970'sParker through truss bridge over St. Louis River on Fishing pier (former railroad, US 53)Open to pedestrians
Old Lester Park Bridge
(St. Louis County, Minnesota)Replaced 1971Lost Warren pony truss bridge over Lester River on Superior StreetReplaced by a new bridge