Critically important load-bearing calculations were inexplicably never performed during the design of a major bridge in Minnesota, setting up the catastrophic collapse of the span last year, a federal ...
WASHINGTON - Mystified about how a simple human error occurred four decades ago, leading to the deadly collapse of the Interstate 35W bridge, federal safety officials ...
The National Transportation Safety Board on Friday, Nov. 14, announced that it has determined that the probable cause of the collapse of the Interstate 35W bridge in ...
In the end, the National Transportation Safety Board attributed the failure of the downtown span to a math calculation that wasn't made. The board found that the designers of the doomed bridge failed ...
Although the final cause of the Aug. 1 Interstate-35W bridge collapse in Minnesota has yet to be determined, National Transportation Board Chairman Mark V. Rosenker says investigators have found a ...
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