The Bridge is already some 38 years old, and nothing was happened. You can find some details at Wikipedia https://en.wikipedia.org/wiki/Phra_Nang_Klao_Bridge
The word Farang is only used for white foreigners, never mind which nationality they are. If your skin is a bit darker, they may call you Khaek Khaw. For example, Japanese are Kon Yipun and black people are mostly called negro or Piu Dam.