The Aizhai suspension bridge is located in the territory of Hunan Jishou City, Xiangxi Aizhai, about 20 kilometers from Jishou City, is one of the national key planning of eight highway -- key engineering of Expressway in Hunan Changsha to Chongqing channel Kyrgyzstan (first) tea (cave). The project is a double deck highway, sightseeing channel dual purpose bridge, four lane highway bridge. Bridge type scheme for steel truss stiffening girder single cross suspension bridge, full-length 1073.65m, suspension bridge main span for the 1176 m3, created the four first in the world, greatly improve traffic situation of Chongqing Hunan provinces, the docking of two provinces and cities as well as the Midwest has extremely important significance.