A car flew off the Zakim Bridge in Boston Friday evening, landing on a highway on-ramp some 25 feet below.
A camera captured the terrifying moment the car went off the busy bridge, which Massachusetts State Police were still investigating Friday night.
The car hit the guardrail on Interstate 93 southbound, flipped over and fell 25 feet, landing on the Leverett Connector Ramp, which connects Massachusetts Route 1 and the Tobin Bridge, according to police.
The driver, a 19-year-old man from Lynnfield, was standing outside the car when police arrived. Initially described as conscious and alert, police said he was taken to nearby Massachusetts General Hospital with injuries that were potentially serious.
Police haven't said why his vehicle is believed to have crashed off the highway.
Damage to the car, as seen in aerial footage of the crash's aftermath, was extensive.
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About 53,000 people drove the Zakim Bridge every day in 2015, according to U.S. Department of Transportation data.
