World’s Bridges By Sterling Baldwin
Bridge Types • Beam Bridges: A bridge that is supported at each side by two (or more) bases.
Suspension Bridge: Bridge that is suspended by cables. The most famous is the Golden Gate Bridge.
Decorative Bridge: This type of bridge is used mainly for ceremonies and as decoration.
Double Decker Bridge: This bridge has two seperate decks with six lanes on top and two on bottom.
Historical Facts • The word Bridge comes from the Old English word brycg which means the same as bridge.
Historical Facts • The first bridges were natural made such as log bridges made by trees.
Historical Facts • One of the first official bridges ,Zhaozhou bridge, was constructed in the years 596-605
Historical Facts • In India in the 4th century they used plaited bamboo and iron chain.
Historical Facts • The romans were among the first and greatest bridge builders in history. They made the first arch bridges.
Historical Facts • At the end of one hundred years Ponte di Augusto in Italy was the longest at 32m.
Historical Facts • The Inca in South America used rope bridges before Europian civilization in the 1500’s
Historical Facts • In the 18th century innovations with timber bridges started with Hans Ulrich and Johannes Grubenman.
Historical Facts • The Iron Bridge was invented in 1779 and revolutionized the way bridges were built.
Historical Facts • The longest bridge in the world today is the Bang Na Expressway. The Bang Na stretches for 54,000 meters.