One year after Baltimore bridge collapse, NTSB finds 68 US bridges need to be assessed for risk of collapse if hit by ship
Sixty-eight bridges across the US should be assessed to see if they are at risk of collapse if hit by a ship, transportation ...
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NTSB calls for risk evaluations of 68 U.S. bridges for vessel strikes
The National Transportation Safety Board (NTSB) recommended March 20 that 30 owners of 68 bridges across 19 states conduct a ...