(Salem, OR)  --  A 16-year-old boy is being treated for critical injuries after being hit by a vehicle.  Marion County authorities say the teen was hit as he was jogging Wednesday evening on Swegle Road Northeast near Cordon Road Northeast in Salem.  Sheriff's deputies say the teen was wearing all black with no reflective gear as it rained heavily at the time of the crash.  The driver remained at the scene and cooperated with the investigation.