Some of the first human-made bridges with significant span were probably intentionally felled trees. Ancient people would also have used log bridges that is a timber bridge that fall naturally or are intentionally felled or placed across streams. Neolithic people also built a form of boardwalk across marshes examples of such bridges include the Sweet Track and the Post Track in England, approximately 6000 years old. The simplest and earliest types of bridges were stepping stones. Meyers Bridge in Allentown, Pennsylvania, U.S., 'one of the earliest surviving examples of monumental, reinforced concrete construction,' according to the American Society of Civil Engineers.

: bridge 2 History Seasonal bridge north of Jispa in Himachal Pradesh, India The covered bridge in West Montrose, Ontario, Canada The Albertus L. The origin of the word for the card game of the same name is unknown. However, they also note that 'this poses semantic problems.' The Oxford English Dictionary also notes that there is some suggestion that the word can be traced directly back to Proto-Indo-European *bʰrēw. The Oxford English Dictionary traces the origin of the word bridge to an Old English word brycg, of the same meaning. The Arkadiko Bridge, dating from the 13th century, in the Peloponnese is one of the oldest arch bridges still in existence and use. The Neolithic people built boardwalk bridges across marshland. The earliest bridges were likely made with fallen trees and stepping stones. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross.

JSTOR ( July 2022) ( Learn how and when to remove this template message)Ī temporary wooden footbridge leading to Luang Prabang in LaosĪ bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the way underneath.

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