Baltimore Key Bridge collapse: Temporary channel opens for boats working on bridge response

The White House's Supply Chain Disruptions Task Force held a meeting Wednesday and discussed how federal efforts can help the industries and workers impacted by the bridge collapse, according to the White House.

"Members of the Task Force shared real-time analysis of sectors with significant activity through the Port of Baltimore, including automobiles, farm machinery, and agricultural products," a White House statement said. “Members of the Task Force also provided an assessment of the impact on workers and the community."

"The Task Force will coordinate Federal outreach and efforts to assist impacted industries and will continue to monitor shipping activity at alternative ports as shipments are diverted," the readout said.

The task force was created in 2021 to respond to pandemic-era supply chain disruptions.

-ABC News’ Michelle Stoddart

The collapse of the Francis Scott Key Bridge could cost as much as $4 billion, which would make the incident a record shipping insurance loss, according to a Morningstar analysis citied in a new Department of Homeland Security assessment obtained by ABC News.

There are currently seven vessels at anchor awaiting to enter the Port of Baltimore, the document said. Two have been directed to other ports.

Dive operations on Thursday will confirm the ship’s stability and structural integrity so crews can begin to offload the 13 damaged containers, the document said.

The bulk of the hazardous material is located on the stern. Of the ship's 4,700 containers, 56 hold dangerous goods, but there is no threat to the public, the assessment said.

Two containers went overboard during the collision, but they did not contain hazardous materials, the document said.

-ABC News’ Josh Margolin and Aaron Katersky

One of the people on the bridge just before the collapse heard the voice of a first responder calling out for him to move off quickly, Maryland Gov. Wes Moore said.

"The first responders, who, again, really moved heroically, after the first mayday was called, were able to move to both keep additional cars from coming on the bridge and to begin to notify the workers and people on the bridge they need to move off the bridge," Moore said during a press briefing Wednesday.

"One of the survivors who I had the opportunity to speak with, one of the things he mentioned to me was as he was moving off of the bridge -- and literally saw the bridge fall right after he moved off -- it was because it was a first responder who was telling him to move off the bridge," Moore said.

That life-saving notification was made "audibly," although other contact between first responders and workers may have been made by cellphone or radio, Moore said.

Secretary of Transportation Pete Buttigieg plans to meet on Thursday with shippers and supply chain operators, as his office assesses industry impact.

Buttigieg said the meeting was intended to help the DOT create a "coordinated approach" as it seeks to mitigate the disruptions to one of the East Coast's most active ports.

"That said, the Port of Baltimore is an important port," Buttigieg said at the White House on Wednesday. "So, for our supply chains and for all the workers who depend on it for their income, we're going to help to get it open as soon as safely possible."