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Report: Design flaw cause of Minn. Bridge Collapse

by ryan | January 15, 2008 at 09:58 am

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The findings of the report confirm the original suspicion that a structural flaw, as apposed to an impact or terrorism, were the cause of the dramatic collapse. See here for the original report.

Federal investigators have identified a design flaw as the cause of last year's Interstate 35W Minneapolis bridge collapse that killed 13 people, a congressional official said Tuesday.

The official, who was briefed by the National Transportation Safety Board, said that investigators found a design flaw in the bridge's gusset plates, which are the steel plates that tie steel beams together. The official spoke on the condition of anonymity so as not to pre-empt an update being provided later Tuesday by the NTSB chairman, Mark V. Rosenker.