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Lowry Avenue Bridge Reborn II


Minneapolis, United States

  • Available
  • Artist
  • Artwork Comments 28

Wall Art

Home Decor



Artist's Description

Shot with my Canon SX40 HS , Three bracketed shots, tonemapped in Photomatix

The Lowry Avenue Bridge is a steel tied-arch bridge over the Mississippi River in Minneapolis, Minnesota, completed in October of 2012.
The original structure was built in 1905 and utilized a 5-span truss bridge design.This bridge lasted 51 years until it became too weak to carry traffic.

In 1958, five new truss spans were built in this location, using the same piers but raised 20 feet to allow navigation on the upper Mississippi River. This bridge was notable in that it had a steel grid deck where the river was visible directly through the mesh, as opposed to the (currently) more common concrete deck.

Lead-based paint was removed from the bridge during a 2004 repainting effort and the steel grid deck was replaced in 2003. At this time, the bridge was expected to be replaced in the mid-2010s, and community meetings were held in 2007 to choose a design for the new span. However, the timetable to replace the bridge was accelerated as the condition of the 100-year-old piers deteriorated.

During the 2004 repainting, engineers discovered that the pier 3 bearings (east side of navigation channel) had displaced roughly 11 inches east of their original location as a result of unexpected movement of that pier (west) towards the main river channel. Hennepin County contracted with Wiss, Janey, Elstner and Associates (WJE) to investigate and report on the cause and extent of damage. The consultant’s report concluded that evidence suggested the pier underwent many years, perhaps 50, of creep deflection due to sustained lateral earth pressure at the foundation which was held in check by the bearing assemblies. The bearing assemblies ultimate strength was finally overcome sometime in 2004 which allowed the unrestrained and rapid movement of the pier. The structural engineers at WJE were unable to predict the magnitude of future pier displacements.

Hennepin County, which owns and maintains the bridge, closed the bridge at 10:00 AM on April 25, 2008 due to safety concerns. Controlled explosions were used to demolish the bridge spans 14 months later on the morning of June 21, 2009.

Construction of the $80 million replacement bridge began early 2010 and was opened for trafic on 10/27/2012 at a cost of $104 million

Artwork Comments

  • peechez2010
  • shutterbug2010
  • KBritt
  • shutterbug2010
  • Rick  Friedle
  • shutterbug2010
  • peechez2010
  • shutterbug2010
  • Sandra Fortier
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  • EdsMum
  • shutterbug2010
  • peechez2010
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  • lorilee
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  • Joseph  Tillman
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  • Dave Callaway
  • shutterbug2010
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