Old Mill Road Bridge

Old Mill Road Bridge
U.S. National Register of Historic Places
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Location	West of Rocky Ridge on Old Mill Rd. over Owens Creek, Rocky Ridge, Maryland
Coordinates	39°36′7″N 77°20′19″W / 39.60194°N 77.33861°W / 39.60194; -77.33861Coordinates: 39°36′7″N 77°20′19″W / 39.60194°N 77.33861°W / 39.60194; -77.33861
Area	0.2 acres (0.081 ha)
Built	1882 (1882)
Built by	Pittsburgh Bridge Co.
Architectural style	Pratt truss
NRHP reference #	79001131
Added to NRHP	March 7, 1979

The Old Mill Road Bridge is a historic bridge near Rocky Ridge, Frederick County, Maryland, United States. The bridge spans Owens Creek southwest of Rocky Ridge on Old Mill Road. It is a Pratt half-hip through truss structure in a single span 69 feet (21 m) long and 16 feet (4.9 m). It was built in 1882 by the Pittsburgh Bridge Company, Pittsburgh, Pennsylvania.

The Old Mill Road Bridge was listed on the National Register of Historic Places in 1979.