... and permanent bailey bridges, whatever single lane or double/two lane type. We are capable to manufacture ... , not as part of steel bridges.1 Double lane,two vehicles passing on it 2 Easy ... adopt the two lane bridge type.The standard double lane width is 7.35m. Span Construction-Load ... QSR4 Span Construction-Load Table ---Double Lane (W=7350mm) SPAN-ftHS-15HS-20HS ...