maryland, one auto group is questioning whether the federal height requirement is adequate for bridges nationwide. within three blinks, 22-year-old morgan lake went from the eastbound lane of maryland s bay bridge to free falling 40 feet into the chesapeake bay below. i got a good scream in. i knew if i was going over the bridge, i wasn t going to make it. reporter: a tractor trailer rear ended her, pushing her up and over the barrier. she decided she didn t want to die. i also, in the vision just my family for a second. i just felt god touch my shoulder as he relaxed me and i unbuckled my seatbelt with my right arm. reporter: the water, seven to ten feet deep. bystanders captured the moment she swam to a bed of rocks.