... and permanent bailey bridges, whatever single lane or double/two lane type. We are capable to manufacture it, and ... not as part of steel bridges.1 Double lane,two vehicles passing on it 2 Easy installed 3 Send ... vehicle flow is very huge,you can adopt the two lane bridge type.The standard double lane width is ... tier; TS shows three ranges one tier; DD shows two range two tiers etc. 2.If R follows SS, DS, ...