On March 28, with the last 40-meter T-beam in place smoothly, the Dadu River Bridge, a control project of the Lexi Expressway (Leshan-Mabian Section) constructed by China Railway No.2 Group Co., Ltd, was successfully completed. The Dadu River Bridge, with a total length of 3,452.5 meters, is the longest bridge on the Lexi Expressway (Leshan-Mabian Section).