The orthotropic steel deck with thin asphalt pavement have been used popularly to long-span bridges in order to reduce dead load and improve the span length.

• 大跨径钢桥大多采用正交异性钢桥面板和薄层沥青铺装的钢桥面铺装结构,大大的减轻了结构自重,从而,提高了桥梁的跨越能力。