貴州平塘至羅甸高速公路平塘大橋主橋為三塔雙索面疊合梁斜拉橋，主跨徑為2×550米，16號主塔高328米，為世界第一高混凝土橋塔。
　　The main bridge of Pingtang Bridge for Pingtang-Luodian Expressway inGuizhou Province is a three-pylon double-cable-plane composite girdercable-stayed bridge, with a main span of 2x550m. And, No. 16 main pylon is 32 mhigh , which is the world's highest concrete bridge pylon.