‘Baltimore Bridge Collapse’ documentary: Why investigators believe Dali lost power, Key Bridge collapse was preventable

‘Baltimore Bridge Collapse’ documentary: Why investigators believe Dali lost power, Key Bridge collapse was preventable

Exactly 11 months after the deadly container ship crash and collapse of the Francis Scott Key Bridge, in Baltimore, Maryland, a PBS documentary provides the latest details in the investigation of why the Dali cargo ship lost power — and why the structure collapsed so catastrophically. “The NTSB found a loose cable,” said Joby Lubman, director of the one-hour “Baltimore Bridge Collapse,” which premieres Wednesday on the PBS science series NOVA. T…