On April 14, the No. 15 main pier of the Hongshuihe Bridge on Guangxi Tian'e-Bama Expressway constructed by CCCC Second Aviation Bureau was successfully capped. The bridge's 2023 completion target provides a strong guarantee.

The Tianba Expressway Bid Section 1 constructed by the Second Aviation Administration has a total length of 14.9 kilometers, including a subgrade of 5.4 kilometers and 9 bridges. The main line is two-way with 6 lanes. Among them, the Hongshuihe Bridge is the only bridge that spans a large river on the entire Tianba Expressway, with a total length of 1099 meters and a maximum span of 198 meters, with a total investment of 380 million yuan. T beam plus continuous rigid frame bridge is constructed by hanging basket cantilever casting method, and the two main piers are hollow piers with single limbs and variable sections. The No. 15 main pier poured this time is the highest pier of the whole bridge, with a height of 109 meters and a transverse length of 11.5 meters. It is constructed in 18 sections. Previously, the main pier No. 14 was capped on March 23.

The Tianba Expressway is an important section of the Tian'e to Beihai Highway. It is an inter-provincial passage connecting Guangxi to Guizhou, and an important part of the new international land-sea trade passage "Sino-Singapore Interconnection Southbound Corridor". The construction of the project is of great significance to improving the national expressway network, constructing a new land-sea passage in the west, improving regional traffic conditions, speeding up the local economy and promoting international economic cooperation.