Bridges built over water are marvels of engineering no matter how shallow or deep the water may be. But how exactly are these bridges built, particularly over deep water? It turns out there are three main techniques for the construction of such bridges and they are battered piles, cofferdams, and caissons. To get the latest science and technology news, subscribe to our newsletter “The Blueprint” at https://bit.ly/3BDdN5e #engineering #bridges #architecture