The Taft Bridge, also known as the Connecticut Avenue Bridge or William Howard Taft Bridge, is a historic bridge located in the Northwest quadrant of Washington, D.C. It carries Connecticut Avenue over the Rock Creek gorge, including Rock Creek and the Rock Creek and Potomac Parkway, connecting the neighborhoods of Woodley Park and Kalorama. It is situated to the southwest of the Duke Ellington Bridge.On July 3, 2003, the Taft Bridge was added to the National Register of Historic Places.HistoryThe Classical Revival bridge was built between 1897 - 1907. It was designed by engineer George S. Morison and architect Edward Pearce Casey. It is an arch bridge with unreinforced concrete arches and a reinforced concrete deck. The total length of the bridge is 274.5m. It has been called an "engineering tour de force" and the largest unreinforced concrete structure in the world. In 1931, the bridge was renamed in honor of U.S. President William Howard Taft.