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CNTP - Tunnel 23

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Photo 

The north portal of Tunnel 23. Note the substantial amount of quartz in the stone.

Photo taken by Alex Wood in October 2012

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Map 

Description 

CNO&TP Tunnel 23 follows the Emory River as it takes the tracks north toward the old Tunnel 22 and south towards the old Tunnel 24. It is a solid limestone bore with some quartz minerals mixed in.

Facts 

Overview
Tunnel
Location
Morgan County, Tennessee
Status
Intact but closed to all traffic, near prefect condition
Future prospects
Talks of a rails to trails type project have been pitched around for several years according to a few local residents. Allegedly, this has not happened because Norfolk Southern does not want to install a pedestrian crossing to link Tunnels 23 and 24.
History
Built in 1878 by the Cincinnati, New Orleans & Texas Pacific Railroad in cooperation with the city of Cincinnati, Ohio
Railroads
- Cincinnati Southern Railway (CNTP)
- Cincinnati, New Orleans, & Texas Pacific Railway (CNO&TP; CNTP)
- Southern Railway (SOU)
Design
Tunnel of the bare rock bore variety. The tunnel never had portals nor any kind of lining. This is because it is bored through solid limestone and sandstone. The lease agreements with the CNO&TP specified only bores with a mix of shale, slate or clay in them had to be lined.
Dimensions
Total length: 1,945.0 ft.
Deck width: 15.0 ft.
Vertical clearance above deck: 20.0 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
CS #23
Cincinnati Southern Tunnel 23
Approximate latitude, longitude
+36.07716, -84.64596   (decimal degrees)
36°04'38" N, 84°38'45" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/711975/3995071 (zone/easting/northing)
Quadrangle map:
Lancing
Inventory number
BH 54690 (Bridgehunter.com ID)

Update Log 

  • November 30, 2012: Updated by Luke Harden: Added railroads to categories
  • November 30, 2012: Added by Alex Wood

Sources 

  • Alex Wood
  • Luke