Nussdorf weir and lock

The Nussdorf weir, administration building and the Schemerlbrücke

The Nussdorf weir and lock are works of hydraulic engineering located in the Viennese suburb of Nussdorf at the point where the Donaukanal leaves the Danube. Designed by Austrian architect Otto Wagner, The weir and lock were built following the adoption of a new law in July 1892, which also authorised the construction of the Vienna Stadtbahn and the transformation of the Donaukanal into a winter harbour.

The weir and lock in Nussdorf are commonly confused with one another, although they are actually two separate constructions built to serve the same purpose.