Casselman River Bridge State Park

The Casselman Bridge is an historic transportation structure located east of Grantsville in Garrett County, Maryland. The bridge was built to carry the National Road across the Casselman River. Historic markers posted at each end read: Since 1957, the structure, which has also been known as Casselmans Bridge, Castleman's Bridge, and Little Crossings Bridge, has been preserved by the state of Maryland as Casselman River Bridge State Park. The bridge was declared a National Historic Landmark in 1964, and placed on the National Historic Register in 1966.