Steel bridge is similarly like compact 100,compact 200 International bridge.it is assembled by each 3m panel, and invented by Donald Bailey.The compact 100 panel bridge can be easily dissembled and rapidly erected. The whole bridge is made by high-tensile strength steel. Main beam is light weight panels and the panels are connected by panel connection pins.It is easy to assemble or disassemble and transport. It can also be assembled into different forms of panel bridges