Core Points - The successful completion of the rotation construction of the Wari Railway overpass marks a significant progress in the construction of the Dongliang Expressway [1] - The bridge, weighing 25,000 tons, rotated 67.4 degrees counterclockwise in 65 minutes, ensuring precise crossing over the railway line [1] - The project is part of Shandong Province's key expressway network, enhancing connectivity between the eastern coastal areas and the central-western regions [5] Summary by Sections - **Bridge Construction Details** - The bridge features a main span of 80 meters + 100 meters and a rotation length of 177 meters [3] - High safety requirements were necessary due to the bridge's proximity to the operational Wari Railway, with the closest edge being only 12.9 meters from the railway fence [3] - The project team faced multiple challenges, including complex positioning and quality control of large concrete volumes, and utilized advanced construction techniques [3] - **Project Significance** - The Dongliang Expressway is a critical component of Shandong's expressway network, specifically the "Horizontal Four" line [5] - The expressway spans approximately 197 kilometers, featuring a dual four-lane design with a speed limit of 120 km/h [5] - Upon completion, the expressway will facilitate deeper industrial cooperation and cultural tourism exchanges between cities along the route [5]