A top transportation official is warning authorities to assess what risk bridges face catastrophic collapse due to collision.
Over the last year, the NTSB identified 68 bridges built before 1991 that don't have a "current vulnerability assessment" and ...
Sixty-eight bridges across the US should be assessed to see if they are at risk of collapse if hit by a ship, transportation ...
Crews have swapped out all 592 cables on the world’s busiest span, which runs between New York and New Jersey.
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