The US Justice Department on Wednesday sued the owner and operator of the cargo ship that crashed into a Baltimore bridge, in order to recover more than $100 million in costs. A cargo ship rammed into one of the support pillars of the four-lane Francis Scott Key Bridge in Baltimore harbour on March 26, causing it to collapse and killing six workers who were carrying out routine construction at the time. The Justice Department filed a civil claim against Grace Ocean Private Limited and Synergy Marine Private Limited, the Singaporean corporations that own and operate the ship. “The Justice Depar…