PINELLAS COUNTY, Fla. — A 69-year-old man is facing a DUI manslaughter charge for fatally hitting a bicyclist in Indian Rocks Beach Friday night, according to the Pinellas County Sheriff's Office.

Authorities said 17-year-old Sophia Delott was riding her bicycle eastbound, on the westbound side of the Indian Rocks Causeway Bridge, in a designated bicycle lane, when a 2014 BMW 320i struck her. 

Witnesses said the vehicle, driven by Neil Singhal, 69, veered into the bike lane and hit the victim, ejecting her from the bicycle. 

Delott was transported to a local hospital where she was later pronounced dead. 

Investigators said impairment was a factor in the crash.  Singhal was arrested and transported to the Pinellas County jail. 

No other information has been released and the crash remains under investigation.