A T-shape rigid-frame bridge weighing nearly 10,000 tons on the Zhengzhou-Wanzhou High-Speed Railway was swiveled 50 degrees over another railway line on Wednesday in Zhengzhou City of central China's Henan Province. The 147-meter long bridge is 30 meters high from the ground. During the operation, it was monitored in real time with electric sand table technology to guarantee the safety.