Just after 3pm Sunday the 15-year-old boy was riding a bicycle when he was struck by a ute at the intersection of Bridge Road and Princes Highway.
He was initially taken to Shoalhaven District Hospital, before being airlifted to the Children’s Hospital at Westmead in a serious condition.
The male driver was arrested and taken to Shoalhaven District Hospital for mandatory blood and urine testing.
Officers from South Coast Police District along with Crash Investigation Unit are continuing inquiries.
Photo: Travis Winks