Recently, the last main pier of the South Expansion Bridge of the Fifth Project Department of the Fourth General Contracting Department of the Ruimeng Expressway, which was constructed by Yunling Construction Company, was successfully poured, marking the official transfer of the main pier of the South Expansion Bridge from the construction of the lower structure to the construction of the upper structure. stage.

The Nanzhuang Bridge is located in Nankuo Village, Mengsuo Town, Ximeng County, and is designed to cross the valley. The left side of the bridge is 716.08 meters long, the right side is 756.08 meters long, and the maximum pier height is 108 meters; the upper structure of the main bridge has a total of 4 cantilevered T structures, and each T structure has a total of 19 cantilevered beam sections. Due to the complex construction process, the high safety risk of high-altitude operation, and the difficulty of construction in the rainy season, it has brought severe challenges to the on-site construction.

As an important part of the expressway along the border, Ruimeng Expressway connects three major outbound passages from Kunming to Houqiao, Kunming to Ruili, and Kunming to Qingshuihe, connecting Ruili, Wanding, Nanshan, Qingshuihe, Yonghe, Menglian, etc. This port is China's main highway to the radiation center of South Asia and Southeast Asia, and an important expressway channel to achieve interconnection with neighboring countries.Editor/Ma Xue