 Complete the following phrase:  Designed by Jan Biliszczuk, a professor of engineering at the Wrocław University of Technology, the bridges design exceeded the length of the Solidarity Bridge in Płock by 30 m, then the longest bridge in the country. The contracts for the bridges construction were awarded to the Warsaw-based Mostostal consortium and its parent Spanish firm, Acciona Infraestructuras on 20 May 2008, with construction commencing shortly afterwards. Construction of the bridge and its main A8 motorway continued for the next three years. Building efforts were temporarily halted during the 