 later, LA 10 enters Clinton, the parish seat, running along St. Helena Street.LA 10 intersects LA 67 at Liberty Street, and the two highways run concurrent for two blocks until LA 67 turns south onto Plank Road, the town's main connection to Baton Rouge.On the way out of Clinton, LA 10 curves to the northeast and continues for before crossing the Amite River into St. Helena Parish.