Because the original built in 1865 Lombardsbrücke not cope with the traffic could , was in 1953, the New Lombard bridge north parallel to the old bridge structure built in addition . The new bridge is a reinforced concrete road bridge with a span of 94 meters and is implemented on a design by Bernhard Hermkes . She was created in 1963 in honor of American President John F. Which Kennedy in Dallas, Texas fell victim to an assassination renamed Kennedy Bridge . The lake is 56 km long and tributary of the Elbe . It flows through south- Holstein and Hamburg . The most famous area of the lake is the Alster lake , formed in Hamburg by the Inner and Outer Alster . 1842 a great fire destroyed the downtown Hamburg almost completely . In rebuilding bridges emerged . A new lock lowered the water level by one meter of the Alster Lake . The Alster meadows at Uhlenhorst Winterhude Eppendorf Harvestehude and were not subsequently flooded regularly . The smaller Alsterzuläufe as tributary and Osterbek were channeled filled various streams . This created around the Alster lake land .
