One of only 5 of the Clinchfield's 54 tunnels (and the only one of the 17 tunnels in the Blue Ridge Loops) that does not have at least one concrete portal; both portals to Lower Bridle Path Tunnel are rock-faced and the entire tunnel is rock-lined.
Total length: 1,618.0 ft.
Deck width: 18.0 ft.
Vertical clearance above deck: 22.0 ft.
Lower Bridle Tunnel
Approximate latitude, longitude
+35.85487, -82.03407(decimal degrees) 35°51'18" N, 82°02'03" W (degrees°minutes'seconds")