The main bridge of Binzhou Huanghe River Rail-cum-Road Bridge is a steel truss girder bridge with a unique design. The bridge uses different types of steel for various parts, with specific floor and bracing systems in place. The truss girder has box sections for chords and a mix of box and I-shape sections for web members. The bridge's assembly involves setting pre-camber by adjusting panel lengths and using a one-way erection method for construction. The main goal was to design a sturdy and efficient superstructure for the bridge, which was achieved through careful planning and structural choices.