 It was listed on the National Register of Historic Places on May 26, 1988 as the Mount Vernon Arsenal-Searcy Hospital Complex.The Mount Vernon Arsenal was established by the United States Army near the Mobile River, three miles west of Fort Stoddert, and approximately 30 miles inland from the Gulf of Mexico.Along with the Kennebec Arsenal in Augusta, Maine, it is one of the most complete antebellum arsenals surviving to the present day.