Richland County Coroner Gary Watts has identified the person struck and killed on I-277 late Tuesday night.
Christopher Darnell Smith, 16, of Columbia was struck as he attempted to cross the roadway, Watts said. Smith died at the scene from multiple trauma.
The accident happened around 8:30 p.m. Tuesday night in the northbound lane near Cushman Road.
The Columbia Police Department continues to investigate.