Kentucky State Route 685 runs north-south in Barren County. KY St Rt 685 passes through the following towns in Barren County. Beckton Stovall KY St Rt 685 is not multi-plexed in Barren County. KY St Rt 685 crosses the following highways in Barren County. Kentucky Secondary State Route 1297, at Beckton. Louie B Nunn Cumberland Parkway, near Bon Ayr. (NO INTERCHANGE) U.S. Rt. 68, near Bon Ayr. Kentucky State Route 80, near Bon Ayr. Kentucky Secondary State Route 2189, near Stovali. Kentucky Secondary State Route 2143, near Cave City. Kentucky State Route 90, near Cave City. Kentucky State Route 70, near Cave City.
