Construction of a new two-track rail bridge over the street Römerallee. The abutments were constructed with the protection of two auxiliary bridges (total length 54.0 m) under operating rail traffic. The span is 25,0m and 23,0m. The bridge is made of prefabricated PREFLEX® beams, comprising of pre-stressed welded girders with concrete footing built on a traversing frame and slid into position during a weekend rail traffic stoppage.