a minimum clear height of 8.7 m, based on the highest known flood level at that time. See also List of bridges documented by the Historic American Engineering Record in Pennsylvania List of crossings of the Susquehanna River References External links Bridges completed in 1924 Bridges in Harrisburg, Pennsylvania Bridges over the Susquehanna River Norfolk Southern Railway bridges Reading Railroad bridges Historic American Engineering Record in Pennsylvania Viaducts in the United States Concrete bridges in the United States Arch bridges in the United States