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 ...
NTSB says lack of 'vulnerability assessment' by Maryland officials preceded deadly Key Bridge collapse
The NTSB says the collapse of the Francis Scott Key Bridge in Baltimore could have been prevented with "vulnerability ...