Union Bridge Historic District is a national historic district at Union Bridge, Carroll County, Maryland, United States.

The district consists of this small piedmont village, which serves the area as a market center for the surrounding agricultural area.

The greatest growth occurred in the 1880s after the Western Maryland Railway built its shops here.

[2] It was added to the National Register of Historic Places in 1994.

This article about a Registered Historic Place in Carroll County, Maryland is a stub.