Rebuilding Baltimore’s Key Bridge is going to cost a lot more, and take a lot longer, than originally hoped.

The Maryland Transportation Authority said Monday its board is updating its cost estimate range for the new bridge as $4.3-$5.2 billion — well over double the state’s initial estimate of around $2 billion.

In a news release , the agency said it now anticipates the bridge will open to traffic in late 2030, rather than the initial projection of 2028.

The initial estimates were made less than two weeks after a container ship struck the Francis Scott Key Bridge in March 2024, causing the structure to plummet into the Patapsco River and killing six construction workers who were on the bridge.

“A preliminary estimate was needed to request federal emergency relief funding for immediat

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