Jinsha River Rail-Road Bridge, as a dominant engineering of Chenggui Railway, is crucial important to Yibin city. Yesterday, on the ceremony to start construction of yibin project in the fourth quarter, Jinsha River Rail-Road Bridgeis unveiled. Its total length is 1874.9 meters; it is the first Rail-Road Bridge in which railway will be built under highway; male iron amphibious bridge in China, main arch almost across Jinsha river. After four years of construction, it will become a "landmark" of Cuiping District in Yibin.