Unstruttal bridge in Karsdorf in Saxony Anhalt. The concrete viaduct is an integral prestressed concrete box girder bridge with continuous beams and arches of the ICE - Rail Line project VDE 8 Deutsche Bahn. Building contractors companies were the ARGE Alpine Bau Germany AG with Berger Bau GmbH after drafts of DB ProjektBau GmbH, Structural Engineering and Schlaich, Berger und Partner and cancer + KIEFER GmbH