The bridge was built mere yards from where Francis Scott Key watched the British bombardment of Fort McHenry in 1814, inspiring him to write the song that would become the U.S. national anthem.

Rescue efforts have turned to recovery after the collapse of the Francis Scott Key Bridge in Baltimore. A federal investigation is underway as the region braces for a long and costly reconstruction.

A Baltimore bridge serving as a vital highway artery collapsed early Tuesday after a nearly 1,000-foot-long container ship crashed into it, sending several people into the frigid water below.