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Bridge across the Hostovsky Creek Valley, Expressway R1, Slovakia

Completed in 2011

The bridge of the total length of 960.0 m has 14 spans of lengths from 33.0 m to 69.0 m. The deck of the width of 25.7 m consists of a single box girder with transverse overhangs which are supported by precast struts. The launched deck was erected progressively; at first the spine girder is cast in a formwork suspended on a special overhead gantry with ‘organic’ prestressing system (OPS) that eliminate deflection of the gantry; after that the struts are erected and the deck slab is cast.

SHP: alternative design.
          detailed design and construction engineering.