Cable-stayed Bridge over the Odra River in Wroclaw, Poland

摘要

The largest bridge along the motorway ring road of Wroclaw is a cable-stayed structure over thernOdra River near Redzin water stage of fall. The river flows there in its main bed, while inlandrnnavigation uses additional water channels. An island, where the pylon of the new bridge is situated,rnis located between the river and the channels. The bridge is 1742 m long and consists of a 610 mrnlong southern flyover, a 612 m long cable-stayed main bridge with separate decks suspended to onern122 m high pylon and a 520 m long northern flyover. The superstructure of the main bridge consistsrnof two box girders made of prestressed concrete, one for each carriageway of the highway. Thernheight of the girder is 2.50 m, which is about 1/100th of the main span length. The decks arernsupported by 80 pairs of stay cables connected to the pylon made of reinforced concrete. The bridgernwith a deck area of approximately 65 000 m~2 was constructed within 36 months.