Casselman Bridge, Stone arch bridge in Garrett County, United States.
Casselman Bridge is a stone arch bridge crossing the Casselman River in Garrett County. The structure spans the waterway with a single large curve and remains open for people to walk across today.
The bridge was built in 1813 and formed part of the National Road project that supported westward travel. It played a key role in connecting settlements during the early development of the region.
The bridge design demonstrates early American engineering techniques through its random-coursed ashlar pattern and precise stone placement methods.
The location is easy to reach on foot and offers a pleasant walk along the river. Visitors can find spots to rest and fish near the water.
When it was completed, it was the longest single-span stone arch structure in America. This achievement made the bridge a notable example of early 19th century engineering skill.
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