Rating:
3 votes

Duluth Aerial Lift Bridge

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Photos 

Photo taken by Historic American Engineering Record

Map 

Street Views 

Facts 

Overview
Vertical-lift through truss bridge over the Duluth Ship Canal on Lake Avenue in Duluth
Location
Duluth, St. Louis County, Minnesota
Status
Open to traffic
History
Opened as a transporter bridge in 1905; reconstructed as a vertical-lift bridge in 1930; rehabilitated 2000
Builders
- Claude Allen Porter Turner of Lincoln, Rhode Island
- Harrington, Howard & Ash of Kansas City, Kansas & New York, New York (Lift Bridge Designer)
- Thomas McGilvray of Duluth, Minnesota
Design
Warren through truss
Dimensions
Length of largest span: 385.8 ft.
Total length: 501.7 ft.
Deck width: 24.0 ft.
Vertical clearance above deck: 18.1 ft.
Recognition
Posted to the National Register of Historic Places on May 22, 1973
Approximate latitude, longitude
+46.77903, -92.09292   (decimal degrees)
46°46'45" N, 92°05'35" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/569245/5181008 (zone/easting/northing)
Quadrangle map:
Duluth
Inventory numbers
MN L6116 (Minnesota bridge number)
NRHP 73002174 (National Register of Historic Places reference number)
BH 36674 (Bridgehunter.com ID)
Inspection (as of 10/2012)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 50.5 (out of 100)
Average daily traffic (as of 2008)
7,093

Update Log 

  • June 26, 2014: Updated by Luke Harden: Added category "Transporter Bridge"
  • June 25, 2014: New Street View added by Ralph Demars
  • December 6, 2013: New Street View added by Luke Harden
  • July 1, 2013: New photos from Steve Conro
  • November 22, 2011: New photo from Steve Conro
  • November 24, 2009: New photos from Jason Smith
  • June 6, 2008: New photos from Historic American Engineering Record

Sources 

  • Historic American Engineering Record
  • Jason Smith - JDSmith77 [at] gmx [dot] net
  • Steve Conro - sconro [at] yahoo [dot] com
  • Douglas Butler
  • Luke

Comments 

Duluth Aerial Lift Bridge
Posted June 26, 2014, by Anonymous

She looks all right. I'd walk with her. Also a couple cuties following her!

Duluth Aerial Lift Bridge
Posted March 8, 2011, by Gene Smania

Photos taken September 2000. Nice maritime museum at the right side of the photo in former Coast Guard or Corps of Engineers HQ building.

Duluth Aerial Lift Bridge
Posted November 29, 2008, by Jolene V (joakabridgefreak [at] yahoo [dot] com)

I once got stuck on this bridge as it was lifting and had to wait for it to lower as the ship passed. very interesting ride! I was walking and was in the middle as the lift alarm went off so I had to wait.

Duluth Aerial Lift Bridge
Posted November 29, 2008, by Jolene V (joakabridgefreak [at] yahoo [dot] com)

I once got stuck on this bridge as it was lifting and had to wait for it to lower as the ship passed. very interesting ride! I was walking and was in the middle as the lift alarm went off so I had to wait.