The emergency rescue and obstacle-crossing passage of oil depot is a kind of light mechanized bridge equipment which can be carried by off-road chassis or crawler chassis and can be set up and withdrawn quickly It is used for erecting a temporary bridge passage of 30 meters in length and 3.2 meters in width, to protect all kinds of vehicles of 30 tons or less, construction machinery, rescue equipment and other vehicles to overcome the obstacles of oil depot fire dike. In order to facilitate all kinds of personnel, equipment, vehicles and materials to cross the oil depot firewall barriers into the reservoir area, improve the efficiency of transportation inside and outside the reservoir area.