5 votes

RI - Argyle Tunnel


East portal

Photo taken March 2007 by Nathan Morton

BH Photo #106622


This was the second of four tunnels along The Chicago Rock Island & Pacific Railroad's St. Louis mainline. Located approximately 128 miles west of St. Louis, it is the only of its relatives to feature an unfinished, bare-rock interior beyond its concrete portals. The western half of the bore is curved, obscuring through sight from one end to the other. In 2003, 'tell-tales' still hung near the eastern portal, which once warned trains of the limited hight clearance inside the tunnel.

The relief casting above the portal opening reads: "Tunnel No. 2 1903"


Tunnel on the Rock Island Railroad under a hill and CR 541 between Meta and Koeltztown
Osage County, Missouri
Railroad line inactive since 1979
Future prospects
Ameren had donated the railroad to the State of Missouri for use as a "Rail to Trail" project. Work is currently underway to remove the overgrowth and rails.
Built 1903
- Chicago, Rock Island & Pacific Railroad (CRIP (1866-1920); RI (1920-1975) ROCK (1975-1980))
- St. Louis, Kansas City & Colorado Railway (StLKC&C)
Total length: 1,223.0 ft.
Approximate latitude, longitude
+38.31380, -92.08081   (decimal degrees)
38°18'50" N, 92°04'51" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/580358/4241032 (zone/easting/northing)
Quadrangle map:
Inventory number
BH 22243 (Bridgehunter.com ID)

Update Log 

  • August 27, 2018: Updated by John Marvig: Added category "Bore Tunnel"
  • April 20, 2016: Updated by Kelly McClanahan: Added category "Rock Island Rail Trail"
  • December 17, 2015: Updated by Chris Perry: Tunnel is to be utilized in a "rail trail"
  • February 27, 2014: Updated by Luke Harden: Name change
  • November 21, 2012: Updated by Brian Parkinson: Description added.
  • April 23, 2008: Updated by Max Johnson
  • April 4, 2007: Posted photos from Nathan Morton


  • Nathan Morton - morton890 [at] yahoo [dot] com
  • Brian Parkinson - railstoruin [at] yahoo [dot] com
  • Luke
  • Chris Perry


RI - Argyle Tunnel
Posted March 2, 2022, by Mark Schaeperkoetter (judymark [at] fidnet [dot] com)

Ameren has donated the ROW and Missouri State Parks has accepted ownership of the Rock Island State Park which will intersect the KATY Trail at Windsor. The rails were removed in 2016-2017.