With the rapid development of urban rail transit project, the U-Beam is used more widely viaduct road. Currently, U-Beam is one of the most innovative viaduct that was used in urban rail transport. It have the advantages of noise-reduction good effect, low building height, high space utilization and good appearance. With the progress of technology, construction method changes from cast-in-place to precast hoisting. Use double crane lifting or gantry crane lifting to hoisting the U-Beam.