Clann Mhór

 

Little Rock Tunnel

Location:   119 miles W. of Richmond                                                                                                      

Dates of Construction:   Completed in Jan. 1854

Length:   100 ft.                                                                                                                                              

Grade:  70 ft. per mile                                                                                                                                     

Width in clear:  15 ft.                                                                                                                                         

Height:  21 ft.                                                                                                                                                          

Length of Arching:  None                                                                                                                               

Single Track:  yes                                                                                                                                                 

Materials encountered:  Solid rock                                                                                                                                       

Remarks:  C. Crozet, Chief Engineer;  A. M. Dupuy, T. J. Randolph, and D. Shanahan, Assistant Engineers;  a succession of contractors, completed by Gallaher & McElroy, Contractor.  Price of labor, previous to 1856:  Common labor=$1.12 ½ to $1.25 per day; miners=$1.50; foreman=$3.

Primary Source References:

The Short Tunnel, 100 feet long, through the same kind of hard rock, (but requiring neither pumping, ventilation, arching, portal, nor lights) has cost $12, 390, which is $123.90 per running foot and $11.30 per cubic yard.

Claudius Crozet letter to the Board of Public Works, Oct 22, 1856


View from the top of Little Rock Tunnel

This tunnel is the only one still in use today.

Little Rock Tunnel

Photos by Dan Burke