Wooden bridges are bridges made of natural wood as the main construction material. Because of the wide distribution of wood, easy access to materials, and the need for complex tools for logging, wooden bridges are the earliest form of bridge. It has the advantages of light weight, high strength, simple processing and connecting structure of various parts. But it also has the disadvantages of flammability, corrosion, bearing capacity and durability easily affected by the anisotropy of wood and natural defects. The anti-corrosion wooden bridge in Guizhou is made of anti-corrosion wood. At the same time it is natural and beautiful, it also has strong corrosion resistance. It can not rot under long-term sun and rain conditions. Best decoration choice.