Steel Truss Bridge is a kind of Assembly Bridge down supporting. It possesses the advantages of simple structure, light weight, erecting rapidly, heavy loading capacity, great stability and low cost.

1. Accordance with load standard of AASHTO, the bridge is designed by HS20-44 truck load with double roadways or four roadways, crowd load 3000 Pa, wind speed 90mph ;

2. With roadway width 7.5m-15m inner and sidewalk 1.8m outside;

3. Reinforced concrete deck or steel deck can be adopted.