Juan Antonio Revenga Hernanz Ph. D. Chemistry, Chemical Engineering Head of International Technical Department. Drizoro S.A.U. Torrejón de Ardoz, Spain

Alitinform №2 (55) 2019 г. 64-71 p.


The Rande Bridge is a cable-stayed bridge near Vigo, Spain. It spans Vigo bay across the Rande Strait, linking the municipalities of Redondela and Moaña. It was designed by Italian engineer Fabrizio de Miranda, the Spaniard Florencio del Pozo (who was also in charge of its foundations), and Alfredo Passaro. The bridge was built in 1978 and opened in 1981, just over a year before start of the 1982 FIFA World Cup. It forms part of the AP-9 motorway. It was exclusively a toll bridge until 2006, when it became a shadow toll stretch.

It has a length of 1,604 metres, its pillars have a height of 148 metres and its main span measures 401 metres. Although it was not the biggest (cable-stayed) span in the world when it opened, it was the longest span with more than two lanes. It currently carries around 50,000 vehicles per day. It is believed that there will be congestion problems in the near future, so the widening alternative has already been studied and projected. Since its opening to traffic in 1981, more than 230 million vehicles have passed through it. It did cost 3,658 million pesetas to build at the time.

In 2011, it was decided to extend the bridge with two lanes, one in each direction, giving continuity to the extension to three lanes in the direction of the Atlantic highway, the main highway for road communication north of Galicia. In February 2015, widening works started, with an estimated investment of 107,9 million euro. The extension was made by the outside of the piles and without affecting the original bridge which maintained throughout the time the work lasted the service. These works were carried out using auxiliary infrastructure that allowed maritime access to the construction elements and the installation of the cranes and techniques necessary for the works. The bridge remained open to traffic during the entire time that the extension works lasted. The environmental impact was also minimal both in the bridge and in the construction of the access roads, where the premise of the minimum use of the occupied land was maintained.

The works lasted 32 months and were inaugurated on December 30, 2017 coinciding with the 40th anniversary of the completion of the original bridge. In the spring of 2018, the whole white bridge is painted and a study for a future extension with two more lanes is commissioned.

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