Bullfrog Road Bridge
 The Bullfrog Road Bridge is a historic bridge near Taneytown Frederick County Maryland United States. The bridge crosses the Monocacy River on Bullfrog Road. This bridge is a rare steel Parker through truss structure and is 183 feet in length and 16 feet-5 inches in width. It was built in 1908 by the York Bridge Company of York Pennsylvania.The Bullfrog Road Bridge was listed on the National Register of Historic Places in 1978.