A dirt bike accident at the Riverview ATV Park in Kewaunee injured a 28-year-old New Franken man late Saturday afternoon. According to a Kewaunee County Sheriff’s Department release, the man was flown by Eagle III helicopter to a Green Bay hospital after suffering from non-life threatening head injuries. The dirt bike accident was reported shortly before 5 pm Saturday by two Manitowoc area men who noticed not seeing the driver of the ATV for over an hour in the park and took another lap before leaving. The New Franken man was found in the far southeast corner of the trail system and received medical attention by numerous agencies before being flown to the Green Bay hospital. No further details are available at this time on his condition.