 NC 81 continues to follow the Swannanoa River for another and then turns to the northward, ultimately terminating at US 70 (Tunnel Road) in Asheville's Oteen neighborhood.NC 81 was designated in 1934 as a renumbering of NC 10 from US 25 (current Biltmore Avenue) to US 70/US 74 (current US 74A).The road was then extended in 1937 when US 25 was rerouted in Asheville.