Pennsylvania State Police are investigating what caused an Apalachin man to drive off a bridge on a private road in McKean County in the north western part of the state, ending up with his pickup truck upside down in a creek.

Kathy Whyte/ WNBF News

60-year-old John Morgan was pronounced dead at the scene in Sergeant Township May 15.

State Police say Morgan had been driving a Ford F-150 pickup on Burning Well Road shortly after 8 a.m. when the truck went off the bridge for unknown reasons and ended up on its roof in the stream.

Morgan was not wearing a seat belt.