East 9th Street. Street Bridge, Wanamaker Building, 1923.

Called the "Bridge of Progress" this sky bridge connected the 1862 Stewart department store building (which became a Wanamaker store in 1896) and the 1907 Wanamaker "Annex" Building between 8th and 9th Streets. These two buildings were lavish shopping destinations for the first half of the 20th century. In 1954 the store closed and the older north building was set to be demolished but the interior and sky bridge were first destroyed by a fire 1956.