Rating:
50655
{88}%
5 votes
CSX - Holston Tunnel
Description
Of all the tunnels on the original 277-mile route of the Clinchfield Railroad, this tunnel is the shortest, at 154 feet. The unlined south portal immediately opens up to a deck truss trestle that is built right up to the tunnel entrance. The bridge is the only crossing of the Holston River, South Fork.
Facts
- Overview
- Tunnel under Holston Ridge on CSX (formerly Clinchfield) Railroad
- Location
- Kingsport, Sullivan County, Tennessee
- Status
- Open to traffic
- Future prospects
- Rehabilitated 1927
- History
- Built as part of the O & W's Speers Ferry, VA to Johnson City, TN segment, tunnel rehabilitated 1927
- Railroads
- - CSX Railroad (CSX)
- Carolina, Clinchfield & Ohio Railroad (CCO; Clinchfield)
- Family Lines System (FL)
- Seaboard System Railroad (SBD)
- South & Western Railway (S&W)
- Design
- 42 feet of concrete lined tunnel, 112 feet of unlined, rocked tunnel
- Dimensions
-
Total length: 154.0 ft.
Deck width: 13.7 ft.
- Also called
- SBD - Holston Tunnel
FL - Holston Tunnel
Clinchfield - Holston Tunnel
S&W - Holston Tunnel
- Approximate latitude, longitude
- +36.51651, -82.52836 (decimal degrees)
36°30'59" N, 82°31'42" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 17/363152/4042325 (zone/easting/northing)
- Quadrangle map:
- Kingsport
- Elevation
- 1272 ft. above sea level
- Inventory number
- BH 50655 (Bridgehunter.com ID)
Update Log
- December 20, 2011: Added by Calvin Sneed
Sources
- Calvin Sneed - us43137415 [at] yahoo [dot] com