Photos
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Photo taken by Historic American Engineering Record |
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Photo taken by Historic American Engineering Record |
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Photo taken by Historic American Engineering Record |
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Photo taken by Historic American Engineering Record |
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Photo taken by Historic American Engineering Record |
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Photo taken by Historic American Engineering Record |
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Photo taken by Historic American Engineering Record |
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
- - C.A.P. Turner
- Thomas McGilvray
- Design
- Warren through truss
- Dimensions
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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
- 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)
- USGS topographic 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 12/2007)
- Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 43.0 (out of 100) - Average daily traffic (as of 2003)
- 7,100
Update Log
- January 6, 2009: Updated by Harvey Henkelmann
- June 6, 2008: New photos from Historic American Engineering Record
Sources
- Historic American Engineering Record
- Harvey Henkelmann - harveyhenkelmann [at] earthlink [dot] net
Comments
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.
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.