Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Beaver Bridge is a rail bridge spanning the Ohio River between Monaca and Beaver, Pennsylvania. It consists of two spans: a southern cantilever through truss of 769 feet with 320-foot anchor arms; and a northern camelback through truss of 370 feet. The bridge currently carries two tracks of CSX Transportation. The bridge was designed by Albert Lucius and built by McClintic-Marshall Company of Pittsburgh between March 1908 and May 1910 for the Pittsburgh and Lake Erie Railroad.