The barriers of the bridge and all of the structures under the bridge utilizing from the very lightweight materials, It has characteristics that to reflect the light down to the road and the river under the bridge, and also makes the areas to be brighter thereby enabling to save electricity at night as well, H.M.KING BHUMIBOL ADULYADEJ graciously named the bridge as RAMA VII BRIDGE for a royal memorial celebrated to H.M. KING ANANDA MAHIDOL,king Rama VIII.