This NHL offers public access. Please contact the NHL directly for visitor information.
Current use/information: No longer used, in state park: http://www.dnr.state.md.us/publiclands/casselmanhistory.html.
Statement of Significance (as of designation - January 29, 1964):
The bridge was part of the earliest Federal highway project, the National Road. At completion, it had the largest stone arch in the United States.