The Elbbrücken are several independent bridge structures crossing the river Elbe in Hamburg, Germany. Within Hamburg, the Elbe divides into two main anabranches, the Norderelbe and the Süderelbe, which, after the Alte Süderelbe was sealed off, reunite with the Norderelbe via the Köhlbrand anabranch, bypassing the Elbe islands, of which Wilhelmsburg is the largest river island on the Elbe. From Wikipedia
