這麽大的工程，沒有政府的背書，光靠私人資本很難成事。 見第三點。

https://www.brooklynpaper.com/five-things-you-may-not-know-about-the-brooklyn-bridge/#:~:text=The%20bridge%20began%20as%20a,%242.5%20billion%20in%20today's%20money.