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Clinchfield Holston Tunnel

Sullivan County, Tennessee
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Photo taken by Calvin Sneed in December 2011

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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
Design
42 feet of concrete lined tunnel, 112 feet of unlined, rocked tunnel
Dimensions
Total length: 154.0 ft.
Deck width: 13.7 ft.
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)
Elevation
1272 ft. above sea level
USGS topographic map
Kingsport
Inventory number
BH 50655 (Bridgehunter.com ID)

Categories 

Built 1908 (445)
Built during 1900s (4,527)
CSX Railroad (793)
Carolina, Clinchfield & Ohio Railroad (40)
Kingsport, Tennessee (9)
Ohio & Western Railroad (1)
Open (30,131)
 Owned by railroad (5,321)
Railroad (6,520)
Sullivan County, Tennessee (18)
Tennessee (847)
Total length 125-175 feet (4,342)
Tunnel (661)

Update Log 

  • December 20, 2011: Added by Calvin Sneed

Sources 

  • Calvin Sneed - us43137415 [at] yahoo [dot] com

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