What highway otherwise known as CR 85  and meets up with County Road 97 in Bayport? 
County Route 97 (Suffolk County, New York):  It runs from an intersection with CR 85 (Montauk Highway) in Bayport just west of Blue Point on the south shore of Long Island to a junction with New York State Route 25A (NY 25A) in Stony Brook on the island's north shore.
i don't know