Upgrade work on PI 36+483 on the A42 motorway crossing the SNCF tracks. This contract is allocated in 2 lots: - lot 1: work on the intrados - the work consists of repairing the concrete of the frames.- lot 2: work on the upper surface - the work consists of repairing the waterproofing and pavements of the platform, as well as the restraint devices.

Repair of concrete on the undersurface, in the crossbeam and on the straight legs, with catenary lockouts and track interceptions.- Installation of catenary and track protection - Hydrodemolition and shotcrete: 170 m²

Repair of waterproofing, retainers, drainage and pavements on the upper surface- waterproofing sheet: 1415 m²- treatment of dry joints: 65 m²- bonding course: 300 t- surface course: 260 t- GBA: 125 ml- DBA: 520 ml