January 16th, 2008
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| Senior Member | | Join Date: Sep 2007
Posts: 23,610
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 Design flaw blamed for collapse
4:00 AM, Jan 16, 2008 - Steel plates connecting beams in the Interstate 35W bridge in Minneapolis were too thin by half and fractured, ''the critical factor'' in the collapse that killed 13 people and injured 145, the National Transportation Safety Board said Tuesday. The connectors, called gusset plates, were roughly half the 1-inch thickness they should have been because of a design error.
BY ASSOCIATED PRESS
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