New Hampshire State Route 16A is a short loop in the Intervale area. It is locally known as the Intervale Resort Loop. NH St Rt 16A passes through the following town in Carroll County. Bartlett NH St Rt 16A is multi-plexed in Carroll County. BUSN U.S. Rt. 302, at Bartlett. NH St Rt 16A intersects the following highways in Carroll County. U.S. Rt. 302, at Bartlett. New Hampshire State Route 16, at Bartlett.