It is a triple-pylon steel concrete superposed beams suspension bridge with the largest span in the world, whose main bridge is a (200+2×850+200)m triple-pylon four-span suspension bridge that has dual 8-lane on the 38m wide deck. The central pylon is made of steel concrete superposed beams in “Ren” form , whose north anchor adopts round foundation by pit sinking and the south anchor adopts underground continuous wall foundation.