MIDDLEBURG, Fla. -

A 43-year-old Green Cove Springs man was critically injured Saturday night in a single-vehicle crash on Blanding Boulevard.

According to the Florida Highway Patrol, Charles Dimech was headed south just north of Knight Boxx Road about 11:40 p.m. when his Harley Davidson left the lane of travel and hit the concrete median, causing the motorcycle to overturn.

Dimech was thrown onto the pavement.  He was transported to Orange Park Medical Center with life-threatening injuries.

According to the FHP report, Dimech was not wearing a helmet.