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The Clinchfield Loops - F: Quinn Knob Tunnel

Photos 

Photo taken by Calvin Sneed in March 2012

Enlarge

BH Photo #226977

Description 

Quinn Knob Tunnel is skewed to make the turn around Quinn Ridge

Facts 

Overview
Tunnel under Quinn;s Knob Ridge, an offshoot of Washburn Ridge on Clinchfield Railroad (now CSX)
Location
McDowell County, North Carolina
Status
Open to traffic
History
Quinn Knob Tunnel is the 6th tunnel on the Clinchfield Railroad's historic 'Loops' line descending the Blue Ridge, and is the 43rd tunnel on the line built from Elkhorn City, KY to Spartanburg, SC
Railroads
- CSX Railroad (CSX)
- Carolina, Clinchfield & Ohio Railroad (CCO; Clinchfield)
- South & Western Railway (S&W)
Design
Quinn Knob Tunnel has 2 concrete portals, and concrete-lined its entire length, one of only 2 'Loops' tunnels to be completely concrete-lined.
Dimensions
Total length: 545.0 ft.
Deck width: 18.0 ft.
Vertical clearance above deck: 22.0 ft.
Also called
Quinn Knob Tunnel
Approximate latitude, longitude
+35.84249, -82.04265   (decimal degrees)
35°50'33" N, 82°02'34" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/405839/3966980 (zone/easting/northing)
Quadrangle map:
Little Switzerland
Elevation
2424 ft. above sea level
Inventory number
BH 51621 (Bridgehunter.com ID)

Update Log 

  • March 5, 2012: Added by Calvin Sneed

Sources 

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