construction of a soft mode footbridge connecting the upper slab of the covered trench of the Rondeau interchange to the banks of the Drac by crossing the lanes of the A480 motorway. The services concern in particular: - the construction of metal footbridges and their supports; - the construction of the access embankments and the remodelling of the central embankment; - the reinforcement of the Drac by sheet piles

construction of a soft mode footbridge connecting the upper slab of the covered trench of the Rondeau interchange to the banks of the Drac by crossing the lanes of the A480 motorway. The services concern in particular: - the construction of metal footbridges and their supports; - the construction of the access embankments and the remodelling of the central embankment; - the reinforcement of the Drac by sheet piles