Casselman Bridge

Casselman River Bridge State Park
The bridge's south aspect
Casselman River Bridge State Park
Location in Maryland
Casselman River Bridge State Park
Casselman River Bridge State Park (the United States)
LocationGarrett County, Maryland, United States
Nearest townGrantsville, Maryland
Coordinates39°41′48″N 79°08′37″W / 39.69667°N 79.14361°W / 39.69667; -79.14361
Area4 acres (1.6 ha)
Elevation2,113 ft (644 m)
Established1957
Administered byMaryland Department of Natural Resources
StatusClosed pending bridge repairs scheduled for 2024
DesignationMaryland state park
WebsiteOfficial website
Casselman's Bridge, National Road
LocationEast of Grantsville on U.S. Route 40 Alternate, Grantsville, Maryland
Area< 1 acre
Built1813–1814
ArchitectDavid Shriver Jr.
NRHP reference No.66000391
Significant dates
Added to NRHPOctober 15, 1966
Designated NHLJanuary 29, 1964

The Casselman Bridge is a historic transportation structure on the Casselman River, located immediately east of Grantsville in Garrett County, Maryland, and preserved by the state of Maryland as Casselman River Bridge State Park. The bridge was built in 1813–1814 as part of the National Road. Historic markers posted at each end read:

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.

The structure, which has also been known as Casselmans Bridge, Castleman's Bridge, and Little Crossings Bridge, was declared a National Historic Landmark in 1964 and placed on the National Historic Register in 1966.