http://www.homedsgn.com/2011/07/30/magdeburg-water-bridge-the-longest-navigable-aqueduct-in-the-world/AdverstismentThe Magdeburg Water Bridge is a navigable aqueduct in Germany that connects the Elbe-Havel Canal to the Mittelland Canal, crossing over the Elbe River.Open in October 2003, this bridge is the longest navigable aqueduct in the world, with a total length of 3,012 feet.
