Key Bridge rebuild reaches 70% design completion with $5.2 billion price tag

The Key Bridge rebuild has reached 70% design completion, with the state confirming its 2030 target and an estimated cost of up to $5.2 billion.

That's up significantly from the $2 billion cost estimate and 2028 opening that was projected two weeks after the collapse.

Engineers revealed updated construction phases and new Coast Guard safety requirements. Officials also talked about permitting, environmental reviews, and coordination with federal partners — steps that need to happen to keep the project on track.

Crews are working round-the-clock to prepare the riverbed for hundreds of steel piles.

"A point I've stressed in every conversation is that the MDTA is working literally day and night to deliver this rebuild. We know that the absence of the Key Bridge means the loss of direct co