The Nanning Hanjiang Bridge is 394.6 meters long and has a single cantilever beam with a span of 45 meters at both ends. The middle 5 holes span each 55 meters long. The double-suspension bridge with a 23-meter middle hanging beam and the double-column pier are used. formula. It was completed and opened to traffic in July 1964. The Nanning Minjiang Bridge is the first 55-meter reinforced concrete cantilever box bridge designed according to the theory of closed-wall thin-walled members of the Soviet Union. It has special significance.