The Trestle bridge is a temporary bridge for heavy lift and transportation machinery crossing in construction project.The Trestle bridge is generally composed of three parts: pier(bridge abutment), beam span structure and deck system.The combined construction trestle bridge or platform make full use of bridge truss due to it is quick to be assembled , heavy load and adaptability. It is suitable for over-water construction in wide waters and has its particular advantages from other working ship.It has been widely used and achieved good effect in Hangzhou Bay Sea Cross Bridge and Pingtan Strait Bridge.
Construction Trestle Bridge Characteristics :
•　Heavy equipment can enter the tidal flat area, shallow water area and tidal zone;
•　Reduce the periodic effects of climate and seasonal problems on construction;
•　Offshore construction simplification has become a reality,Trestle bridge help with reducing the comprehensive cost and improving work efficiency, and has obvious economic characteristics.