Aizhai Bridge is located in Jishou City, across the canyon, magnificent, shocking. The bridge created four "the world's first". Firstly, the main span of the bridge is 1176 meters, and the suspension bridge across the canyon is the first in the world; secondly, the structural design scheme of completely separated tower and beam is adopted for the first time in the world; thirdly, the rock anchor suspension cable structure is adopted for the first time, and the carbon fiber is used as the prestressing steel bar to create the first place in the world; fourthly, the steel truss girder is erected for the first time by "rail-cable sliding method".