Magdeburg Water Bridge

In the 1930s, construction began on an ambitious waterway crossing north of Magdeburg, intended to carry the Mittelland Canal across the River Elbe and connect it directly with the Elbe-Havel Canal. Workers laid foundations and erected sections of the planned bridge before World War II brought construction to a halt in 1942. The unfinished structure remained a reminder of the interrupted project throughout the Cold War, when the division of Germany prevented its completion. Only after reunification did plans for a continuous east–west inland waterway return to the forefront of national transport development.

The project was revived under German Unity Transport Project No. 17, and construction of the present aqueduct began in 1997. Engineers developed a new structure combining reinforced concrete and steel, with approximately 24,000 metric tons of steel and 68,000 cubic meters of concrete used in its construction. The bridge was divided into a 690-meter floodplain section and a 228-meter river crossing, supported by a sequence of piers and long-span steel girders. Over six years, the new waterway took shape above the Elbe floodplain, creating a continuous elevated channel designed to accommodate large commercial vessels. The Magdeburg Water Bridge officially opened to navigation on October 10, 2003.

Stretching 918 meters across the landscape, the completed bridge is widely recognized as the world's longest navigable aqueduct. It carries the Mittelland Canal over the Elbe River, providing a direct connection to the Elbe-Havel Canal and linking the inland waterway networks of western and eastern Germany. Before its completion, vessels traveling between the two canals had to descend through locks into the Elbe and navigate a section of the river before returning to canal level. The new crossing allows cargo barges and recreational boats to bypass this route, avoiding delays caused by the river's fluctuating water levels and improving the reliability of inland navigation between the Ruhr region and Berlin.

The structure consists of two principal sections. The 690-meter floodplain bridge extends across sixteen spans supported by seventeen piers, while the 228-meter river bridge crosses the Elbe in three spans, including a main span of approximately 106 meters. Its steel water trough provides a usable navigation width of 32 meters and a water depth of 4.25 meters, allowing large inland vessels to travel along the elevated canal. The bridge also incorporates inspection walkways, protective barriers, and provisions for maintenance and safe navigation. Pedestrian and cycling paths run alongside the waterway, allowing visitors to observe both the aqueduct and the river crossing below.

Today, the Magdeburg Water Bridge remains a fully operational part of Germany's inland waterway network and an important engineering landmark in Saxony-Anhalt. From the pedestrian paths, visitors can watch cargo vessels moving through the elevated canal while the Elbe continues to flow beneath the steel structure. The crossing brings together two independent waterways at different elevations, demonstrating how large-scale engineering overcame a longstanding obstacle to east–west navigation. More than a transport connection, the bridge also records the history of a project interrupted by war and national division, then completed as part of Germany's post-reunification infrastructure development.