Lowry Avenue Bridge Contents History See also References External links Navigation menu45°00′47″N 93°16′28″W / 45.01306°N 93.27444°W / 45.01306; -93.2744445°00′47″N 93°16′28″W / 45.01306°N 93.27444°W / 45.01306; -93.2744445°00′47″N 93°16′28″W / 45.0131°N 93.2744°W / 45.0131; -93.274445°00′47″N 93°16′28″W / 45.0131°N 93.2744°W / 45.0131; -93.2744"Lowry Avenue Bridge""Lowry Av. Bridge coming down today""Lowry Avenue Bridge to be shut down""New Lowry Bridge Still On Track To Reopen In Summer"Animation of Replacement Bridge

Bridges in MinneapolisBridges over the Mississippi RiverBridges completed in 1887Bridges completed in 1905Bridges completed in 1958Road bridges in MinnesotaSteel bridges in the United StatesTied arch bridges in the United StatesTruss bridges in the United States1887 establishments in Minnesota


steeltied-arch bridgeMississippi RiverMinneapolis, Minnesotatruss bridgeHennepin County




tied-arch bridge that crosses the Mississippi River in Minneapolis

























Lowry Avenue Bridge

Lowry Ave Bridge, Minneapolis, MN, March 2015.jpg
The new bridge, completed in 2012 and pictured in 2015

Coordinates45°00′47″N 93°16′28″W / 45.01306°N 93.27444°W / 45.01306; -93.27444Coordinates: 45°00′47″N 93°16′28″W / 45.01306°N 93.27444°W / 45.01306; -93.27444
CarriesFour lanes of CSAH 153 (Lowry Avenue North)
CrossesMississippi River
LocaleMinneapolis, Minnesota
Maintained byHennepin County, Minnesota
ID number27B60
Characteristics
DesignBasket handle tied-arch bridge,[citation needed] steel
Total length1,576 feet (480 m)
Width107 feet (33 m)
Longest span450 feet (137 m)
Clearance below37 feet (11 m)
History
OpenedOctober 2012

Upper 2 Minneapolis Mississippi.svg
Mississippi River bridges in Minneapolis. Lowry Ave. Bridge is the third bridge.





























Lowry Avenue Bridge

Lowry Avenue Bridge.jpg
A view of the 1958 bridge from the west bank of the Mississippi south of the bridge, showing four of the five truss spans.

Coordinates 45°00′47″N 93°16′28″W / 45.0131°N 93.2744°W / 45.0131; -93.2744Coordinates: 45°00′47″N 93°16′28″W / 45.0131°N 93.2744°W / 45.0131; -93.2744
CarriesTwo lanes of CSAH 153 (Lowry Avenue North)
CrossesMississippi River
LocaleMinneapolis, Minnesota
Maintained byHennepin County, Minnesota
ID number2723(726)
Characteristics
DesignTruss bridge
Total length889 feet
Width57.2 feet
Longest span143 feet
Clearance below33 feet
History
Opened1905; remodeled in 1958, 2006
Closed2008 (demolished 2009)
Statistics
Daily traffic16,600 (2001)

The Lowry Avenue Bridge is a steel tied-arch bridge over the Mississippi River in Minneapolis, Minnesota, completed in October 2012.[1]




Contents





  • 1 History


  • 2 See also


  • 3 References


  • 4 External links




History


The original structure was built in 1905 and utilized a 5-span truss bridge design.[2] 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.[3]


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.[4]


Hennepin County, which owns and maintains the bridge, closed the bridge at 10:00 AM on April 25, 2008 due to safety concerns.[2][5] 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 traffic on 10/27/2012 at a cost of $104 million[6]



See also


  • List of crossings of the Upper Mississippi River


References




  1. ^ http://finance-commerce.com/2012/10/rolling-out-the-lowry-avenue-bridge/


  2. ^ ab Blake, Laurie (2009-06-21). "Lowry Avenue Bridge". Star Tribune. Retrieved 2009-06-22..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  3. ^ Walsh, Paul (2009-06-21). "Lowry Av. Bridge coming down today". Star Tribune. Retrieved 2009-06-22.


  4. ^ LOWRY AVENUE BRIDGE:Investigation of Westward Displacement of Pier 3, 2004 - Wiss, Janey, Elstner and Associates


  5. ^ Foti, Jim (2008-04-25). "Lowry Avenue Bridge to be shut down". Star Tribune. Retrieved 2009-06-22.


  6. ^ "New Lowry Bridge Still On Track To Reopen In Summer". February 15, 2012. Retrieved 18 June 2012.




External links


  • Animation of Replacement Bridge






1887 establishments in Minnesota, Bridges completed in 1887, Bridges completed in 1905, Bridges completed in 1958, Bridges in Minneapolis, Bridges over the Mississippi River, Road bridges in Minnesota, Steel bridges in the United States, Tied arch bridges in the United States, Truss bridges in the United StatesUncategorized

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