At Kangpai, while all resources are converged in surge and the gigantic bridge arch hanged like the rainbow, the substance side is linked with the spirit side finally.

The reinforced concrete structure and steel tubular structure are included into the laminated beam arch bridges on the basis of analysis of Bianjing Rainbow Bridge.

Overreaching the wide horizon as the rainbow, its hues are as various as the hues of that arch - as distinct too, yet as intimately blended.