Water highway over the Elba river connects the Elbe-Havel Canal to the Mittelland Canal. The bridge is located near the german city of Magdeburg and is known locally as the Wasserstrassenkreuz Magdeburg. It is the longest 918 metres navigable aqueduct in the world. It took over 24,000 metric tons of steel and 68,000 cubic meters of concrete. This project Taking six years to build and costing around 500 milion euros.