View showing a segment of the Callowhill Street railroad bridge, also known as Spring Garden Street Bridge, built 1874-1875 by the Keystone Bridge Company after the designs of engineer Jacob H. Linville. Depicts the lower deck used by pedestrians. Bridge demolished in 1964. Callowhill St. Bridge Upper deck, 2,734 ft.; Lower, 850 ft. / James Cremer, photographer and publisher