Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 25. Chapters: List of crossings of the Susquehanna River, Chesapeake Bay Bridge, List of crossings of the Potomac River, Woodrow Wilson Bridge, Conowingo Dam, Union Arch Bridge, Governor Thomas Johnson Bridge, Governor Harry W. Nice Memorial Bridge, Amtrak Susquehanna River Bridge, Thomas J. Hatem Memorial Bridge, Francis Scott Key Bridge, Harry W. Kelley Memorial Bridge, Conowingo Bridge, American Legion Memorial Bridge, Western Maryland Railroad Right-of-Way, Milepost 126 to Milepost 160, P.W. & B. Railroad Bridge, Bayard Bridge, B & O Railroad Potomac River Crossing, Millard E. Tydings Memorial Bridge, Severn River Bridge, Point of Rocks Bridge, Chesapeake City Bridge, Perryville Railroad Bridge, Burnside's Bridge, Naval Academy Bridge, Hanover Street Bridge, Verrazano Bridge, Assawoman Bay Bridge, Patapsco Swinging Bridge, Bladensburg Park Pedestrian Bridge, Bladensburg Road Bridge, Victor Cushwa Memorial Bridge. Excerpt: List of Susquehanna River crossings proceeding upstream from the river mouth at the Chesapeake Bay in Maryland, USA, generally northward through Pennsylvania toward the main branch headwaters in New York. The West Branch crossings are listed afterward. This list includes active road, railroad, foot, and trail bridges, dams, fords, ferries, and historic crossings. Presently it does not include historic ferry crossings. Railroad lines are generally as shown on the USGS topographic maps, which may not have been updated to reflect the creation of Conrail in the 1970s, which absorbed many lines in this area. Main Branch crossings are listed from the mouth of the river in the Chesapeake Bay up to the source at Otsego Lake in Cooperstown, New York. In a geological sense, the Chesapeake Bay is just the ria, submerged valley, of the Susquehanna River. In that sense the Chesapeake Bay Bridge Tunnel and the Chesapeake ...