The Francis Scott Key Bridge in Baltimore collapsed due to a cargo ship collision, disrupting U.S. shipping flows.

A temporary channel allows limited marine traffic, with efforts to open another for larger vessels amid rough weather recovery challenges.

Six construction workers are presumed dead, with two bodies recovered; the state is initiating a scholarship for families of fallen transportation workers.

Support measures include Small Business Administration centers and proposed legislation for financial aid from the state's rainy day fund.

The companies responsible for the cargo ship seek to limit legal liability through court petition.

President Biden plans to visit the site as federal aid packages are considered, with the total cost of the incident expected to be in the billions.