What is "reichsbrucke"

The Reichsbrücke (German for Imperial Bridge) is Vienna's most famous bridge, linking Mexikoplatz in Leopoldstadt with the Donauinsel in Donaustadt on the other side of the Danube. It lies on an important axis leading from the city centre at Stephansplatz, through Praterstern, and on to Kagran in the north-east. The bridge carries six lanes of traffic, used by 50,000 vehicles daily, U-Bahn tracks, two footpaths, two cyclepaths and two utility tunnels.