By Gabe Cohen | CNN

Washington — Sixty-eight bridges across the US should be assessed to see if they are at risk of collapse if hit by a ship, transportation safety officials found, while urging the bridges’ owners to undertake immediate vulnerability assessments. are part of the National Transportation Safety Board’s ongoing investigation into the in Baltimore last year.

The four urgent safety recommendations collapse of the Francis Scott Key Bridge

In the early hours of March 26, 2024, the container ship Dali lost power after leaving the Port of Baltimore and struck a pillar of the Key Bridge, causing it to collapse, who fell into the Patapsco River. The Dali suffered a pair of catastrophic electrical failures minutes before the crash, according to a preliminary report .

killing six construction workersreleased by the NTSB last May

The Key Bridge was above the acceptable level of risk based on guidance established by the American Association of State Highway and Transportation Officials, or AASHTO, NTSB officials said. But the owner of the bridge never evaluated that risk.