One year after Baltimore bridge collapse, NTSB finds 68 U.S. bridges need to be assessed for risk of collapse if hit by ship
Sixty-eight bridges across the U.S. should be assessed to see if they are at risk of collapse if hit by a ship, ...
NTSB recommends 68 bridges in U.S. be evaluated for risk of collapse. See the full list.
Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment" and ...