Arkansas State Route 160 is a east-west highway in Southern Miller County. This is the southern most east-west surface highway in the county. AR St Rt 160 passes through the following towns in Miller County. Brightstar Doddridge AR St Rt 160 is not multi-plexed in Miller County. AR St Rt 160 intersects the following highways in Miller County. Arkansas State Route 237, near Brightstar. U.S. Rt. 71, near Doddridge.