A misplaced wire label on a container ship and other mishaps likely caused the Baltimore bridge collapse, NTSB says

(CNN) — A misplaced wire label , the vulnerability of a bridge and other mishaps in protocols likely caused the collapse of Baltimore’s Francis Scott Key Bridge after a large vessel struck it in the spring last year, according to the National Transportation Safety Board.

On Wednesday, the NTSB released a 259-page final report on the March 2024 incident, which details the events that could have caused an electrical blackout that led to the 213-million-pound cargo vessel veering and smashing into the bridge, killing six highway workers. The container ship Dali was leaving the Port of Baltimore and struck a pillar of the Key Bridge.

Other contributing factors to the cause of the incident were the crew’s inability to “recover propulsion from the loss of electrical power” and the limited