Home > All By Location regional map > Ambridge > Sewickley Bridge 1981 Search pghbridges.com Search WWW View west from right bank Main information page Cantilever superstructure Stringers over Chadwick Av; Concrete extension of 1911 stone piers; AISC award plaque; USGS bench mark at PA51 Submit info or inquiry - share some facts or ask a question. Introduction -- Nearby Structures Page created: 30-Nov-2000 Last modified: 30-Nov-2000 View Larger Map View Larger Map copyright: © Bruce S. Cridlebaugh 1999-2008 All Rights Reserved