Elevation 3095 feet. Maryland State Roads Commission. J. N. Mackall, Chairman & Chief Engineer; L.T. Downey, District Engineer. Contractor: T. D. Claiborne Co. Inc., August Mencken.
Erected 1813 by David Shriver, Jr., Sup't of the "Cumberland Road" (The National Road). This 80 foot span was the largest stone arch in America at the time. It was continuously used from 1813 to 1933.