A bridge is a structure designed to provide continuous passage over something. Bridges usually carry trains, cars, water, or power lines. There are about eight kinds of bridges, beam, cantilever, arch, truss, suspension, cable-stayed, movable, and floating bridges.
It is impossible to ever point the moment that bridges were invented. Bridges first began to appear in ancient Mesopotamia when human civilization developed and have been improved ever since. The first bridges were very basic and were also unreliable. The Romans provided a revolution in bridge making. They were the first to use volcanic rocks as the main ingredient in mortar. This allowed them to make bridges larger and more reliable than the civilizations before them. The Romans also developed arches on their bridges to help with the loads. Around 1777, the first iron bridges made their appearances, visually stunning with a higher tensile strength that of stone. That was just the starting point for human race’s obsession with finding new, creative, and innovatively beautiful ways to cross bodies of water
More than physical structure, the image of bridge mythically symbolizes the pathway to paradise. It is a transition to a better place.