Boulder Bridge and Ross Drive Bridge

Boulder Bridge and Ross Drive Bridge are historic bridges located in the Washington, D.C. portion of Rock Creek Park, an urban national park listed on the National Register of Historic Places. Boulder Bridge was constructed in 1902 and carries Beach Drive across Rock Creek, a tributary of the Potomac River. The reinforced concrete arch bridge was designed by architect W. J. Douglas and was built at a cost of $17,636. Ross Drive Bridge was originally constructed as a timber bridge in 1903 to carry Ross Drive over a tributary ravine of Rock Creek. The bridge was rebuilt in 1907 with a 168-foot span. It was designed and constructed by the United States Army Corps of Engineers. Boulder Bridge and Ross Drive Bridge were added to the National...