Repair work on the anti-corrosion protection of four structures on the A7 motorway

As part of a maintenance programme dedicated to repairing the anticorrosion protection of the metal frames of engineering structures on the VINCI Autoroutes network, our teams are carrying out a design and build project for the repainting of four engineering structures. The bridges are of the prefabricated post-tensioned girder type (VIPP) and were widened between 1995 and 2000 with the addition of steel girders.

Work was completed at the end of 2024 on the first two bridges, located in the communes of Auberives-sur-Varèze (Isère) and Albon (Drôme), and is currently under way on the other two structures, at Chanas (Isère) and Saint-Uze (Drôme) respectively. Actierra, our subsidiary, is also involved in this project, drafting the Porter-à-Connaissance (Water Law) documents for these structures crossing watercourses.