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This site is dedicated to the Engineering, History & Construction of Bridges ... The Legislature in 2003 approved an $2.5 billion ambitious program to fix cracking bridges. Many were built in the middle of the 20th century as the ... Super Tools - Bridges Premieres: Sunday, March 19 @ 11pm ET/PT on the History Channel...
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bridgepros.com/
bridgepros.com/
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Iron and Steel bridges are used today and most of the worlds major rivers are crossed by this type. The picture shows the first iron bridge in the world. It was built in Telford in 1779 by Abraham Darby (the third) and was the first large structure in history to be constructed from iron.
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www.technologystudent.com/struct1/stlbrid1.htm
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Without bridges, people would have to walk or drive around obstacles like mountains or valleys. Without bridges, people would have would have to use boats to get across water. Bridges make it easier to get from one place to another. ... History of Bridges;
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library.thinkquest.org/CR0210346/history.html
library.thinkquest.org/CR0210346/history.html
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Bridges have been around for a long time. We have divided history into sections. ... Unknown dates/Before 1700 - This page talks about who built the earliest bridges, famous and great bridges built in that time, etc. ... Navigation: Home - Types of Bridges - Bridge History - Bridge Records - Materials: Concrete, Steel...
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library.thinkquest.org/J002223/history/history.html
library.thinkquest.org/J002223/history/history.html
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www.civl.port.ac.uk/comp_prog/bridges/main/page2.html
www.civl.port.ac.uk/comp_prog/bridges/main/page2.html
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History of BRIDGES including Simple bridges, Roman bridges, Inhabited bridges, Ironbridge ... Even the most primitive human communities must often have created bridges from material lying easily to hand. Hunters and gatherers follow favourite paths; streams need to be crossed. ... This History is as yet incomplete.;
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www.historyworld.net/wrldhis/PlainTextHistories.asp?his...
www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=ab97
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Bridge - Wikipedia, the free encyclopedia
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A bridge is a structure built to span a valley, road, body of water, or other physical obstacle, for the purpose of providing passage over the obstacle. Designs of bridges vary depending on the func...
en.wikipedia.org/wiki/Bridge
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