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CSX Ridgetop Tunnel

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Photos 

South portal entrance, unlined

View is from the south side of the ridge in Davidson County, looking northbound underneath the town of Ridgetop

Photo taken by Calvin Sneed in September 2013

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Map 

Description 

Tunnel is at the top of the Nashville Basin, a natural depression phenomenon in Middle Tennessee. South portal is 779 feet above sea level, north portal is 784 feet above sea level

Facts 

Overview
Tunnel under town of Ridgetop, Tennessee on CSX Railroad
Location
Ridgetop, Robertson County, Tennessee, and Davidson County, Tennessee
Status
Open to traffic
History
Built 1905 by the Nashville, Chattanooga & St. Louis RR (predecessor to the Louisville & Nashville RR, later CSX).. was longest free standing tunnel in the world when completed.
Design
Tunnel
Dimensions
Total length: 4,621.0 ft. (0.9 mi.)
Approximate latitude, longitude
+36.40346, -86.77875   (decimal degrees)
36°24'12" N, 86°46'44" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/519838/4028722 (zone/easting/northing)
Quadrangle map:
Greenbrier
Elevation
784 ft. above sea level
Inventory number
BH 48216 (Bridgehunter.com ID)

Update Log 

  • August 25, 2012: Updated by Luke Harden: Removed category "L&N Railroad" Added categories "Louisville and Nashville Railroad", "Railroad"
  • February 22, 2011: Added by J.P.

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Calvin Sneed - us43137415 [at] yahoo [dot] com