The truck driver was charged with vehicular homicide after he drove the wrong way on I-83 and collided with another car, killing the driver.

WILMINGTON, Del. — A tractor-trailer cab crashed through a concrete barrier Friday and plunged off the Delaware Memorial Bridge into the Delaware River, authorities said. It wasn’t clear how many people were in the cab, which was found in about 20 feet of water, according to the Delaware River Bay and Authority.