This type of bridge encompasses big span, heavy load with maximum single vehicle of 160t, upper supporting construction, wide deck, proper sight line and no height limit of the vehicles, and excellent bridge sight effect. The bridge adopts combined girder construction of steel plate girder and concrete, in-between segments uses friction-type high strength bolts, and shear bolt are used between steel plate girder and concrete deck. Fully make good use of the characteristics of high tensile strength of the steel and high compressive strength of concrete. This kind of bridge is suitable to the construction of various highway bridges