Urban bridge upon the river Loire realised to reduce the traffic congestion on the west side of Orleans, with 4 traffic lanes and 2 walkways. The particularly complex structure is composed of : * an orthotropic steel deck, supported by an inclined steel arch, through sheathed locked cables. *2 concrete tripods on their peak, beared on foundation massifs located in the river *2 concrete deck-abutments extending the main bridge towards the banks. The steel decking (4 900 tons inclusive arch) is 25 m width and 378 m total length, with a main span of 202 m and two side spans 88 m long. The deck has been launched on temporary jacks located in the river.