August 1, Shortly after 6 pm, the IW Bridge collapses with motor that resulted in undersized gusset plates on some of Bridge ‘s main trusses. tural members could result in the collapse of the whole bridge. In the Bridge , IW Over Mississippi River, Fatigue Evaluation and. After the bridge’s collapse, the subsequent investigation that was conducted by the National . (IW over the Mississippi River).

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Make Preliminary Designs Clearly The designs for the bridge were meant to be preliminary. The installation was paired with a cycle of 35 poems: They can do the stuff that’s easy.

CT, when a colleague called with bridgs horrifying and heartbreaking news. Recovery teams had to balance the need for haste in saving any collaspe survivors with possible danger recovery team members might face. This audio file was created from a revision of the article ” IW Mississippi River bridge ” dated July 7,and does not reflect subsequent edits to the article.

Archived from the original on October 16, Archived from the original on October 17, Because there were bridgd equipment and materials on the bridge, concentrated over the gusset plate. Extra Metro Transit buses were added from park-and-ride locations in the northern suburbs during the rush hours. The collapse of the 35W bridge resulted in increased concerns about deficient bridges across the United States.

Minneapolis Interstate 35W Bridge Collapse – Minnesota Issues Resources Guides

A hindsight view of the collapse offers new knowledge of how we should maintain bridges. Collaose, the last truly fatal major US bridge collapse occurred in In the last four years, 26 states have raised gasoline taxes, including red states dominated by fiscal conservatives.


The bridge collapsed during evening rush hour, and there was roadwork vridge on the bridge. For historical information, check the following codes in the Newspaper Clipping File and the Vertical File: Archived from the original on September 21, Federal funding for such needs has remained flat.

It is not intended to be exhaustive. As for the second cause of the error going unnoticed inadequate inspection of the gusset plateswe can extend our Cause Map and focus on three main reasons. And the National Transportation Safety Board determined that it was a design flaw, and not deferred maintenance, neglect, or other problems, that caused the brldge bridge to collapse.

Because of the fatalities associated with this bridge collapse, we are going to add all the detail we can, especially in an effort to address our Safety Goal. The brjdge of the 13th and final victim of the IW Bridge collapse is recovered from the Mississippi River. Local businesses donated wireless Internet, ice, drinks and meals for first responders.

Does this mean that discounting the importance of gusset plates to the load rating is THE root cause in our Root Cause Analysis? Retrieved June 12, Bridge failures Bridge to nowhere.

10 Years After Bridge Collapse, America Is Still Crumbling

The link includes the day extension of the executive order by the Executive Council of the State of Minnesota. An employee of the NTSB had written his doctoral thesis on possible failure scenarios of this specific bridge while he was a student at the nearby University of Minnesota.

This page was last edited on 26 December brodge, at On August 20, the last victim was recovered from the river.


There are multiple causes to every issue. Special Session provisions related to the IW bridge: Even at this point, we can Cause Map useful, solution-focused steps to determine how the error went unnoticed collapes the load rating calculations. About 35 of them were determined to need only routine, preventative maintenance.

Retrieved August 27, A decade later, experts say there have been some improvements, but there are still tens of thousands of bridges nationwide that need to be fixed or replaced.

And the bridge was also rated as fracture critical, meaning the failure of just one vital component could cause the whole bridge to collapse.

Minneapolis Bridge Collapse: 10 Years Later, Infrastructure Still In Decline : NPR

Divers left the water briefly on August 18 while the company’s crew used cranesexcavation drills and cutting torches to remove parts of the bridge deck, beams and girders, hoping to improve access for the divers. This map shows average daily traffic volumes for downtown Minneapolis. Ballarini, Roberto, and Taichiro Okazaki. Trunk Highway Bridges and Local Bridges. Archived from the original on June 17, Congressional 93340 Service, Approximately 75, other Brixge.

I-35W Mississippi River bridge

There’s no indication there was any foul play involved, [but] it’s a crime scene until we can determine what was the cause of the collapse. Department of Transportation’s National Bridge Inventory database. The south abutment was northeast of the Hubert H. Other traffic was diverted to Interstates, and 35E.

At least 22 children were injured. Upstream Stone Arch Bridge.