Model Name:100-type

Derived Model:CB100, COMPACT-100, British 321 Type

Net width ofbridge:4.0M

Maximum Freespan length:51M

Truss size:3000mm*1400mm(Hole center distance)

The 321 typeprefabricated steel bridge is designed by the ministry of communications ofhighway planning and design institute, according to British compact-100 Baileybridge and in combination with China’s national &practical condition, whichcan be disassembled and erected rapidly, The whole bridge is   welded with high-tensile strength steel. Themain girder is light weight composite and the panels are connected by panelpins, all the components are highly interchangeable , light weight, easy fortransportation. Installation and dismantling. It also can be assembled tovarious prefabricated steel bridge basis on different span and loadingcapacity. It has been widely used as a more completely emergency prefabricatedsteel bridge.

The 321 typesteel prefabricated bridge is suitable for Truck-10 ,Truck-15,Truck-20,highway- I grade, Highway-II grade, Trucklayer-50,Trailer and so on,after calculation, it also suitable for AASHTO HS-20,British HA,HB and otherspecial single lane loading road.

Along withdiversification of overseas market. Some clients still require to make panelsare British dimension to match the old bridges. The size of the panel is:3.0*1.45m (hole center distance), we called CB100 or compact-100 BaileyBridge, In China, we also called it British 321Type Bailey Bridge.