What is a beam bridge?

Answer

A beam bridge is a simple kind of bridge that is made of horizontal beams that are supported by vertical posts. This kind of bridge is regarded as the simplest kind of bridge at this day and age, as they are a direct descendant of the log bridge.
Q&A Related to "What is a beam bridge?"
A disadvantage is that for all the tricks you might try, a beam bridge can't escape the fact that it will sag in the middle.
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( ′bēm ′brij ) (civil engineering) A fixed structure consisting of a series of steel or concrete beams placed parallel to traffic and supporting the roadway directly
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A beam or "girder" bridge is the simplest kind of bridge. They are more familiar to us as a
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In their basic form, beams are the simplest bridge design with anything from a stretch of elevated highway to planks of wood over a small ditch forming a beam bridge. The weight placed
http://www.ehow.com/info_8430815_kind-bridge-stron...
1 Additional Answer
A beam bridge is also called a girder bridge and is the simplest kind of bridge. Ancient beam bridges were in the form of a log across a stream. A beam bridge basically consists of a horizontal beam that is supported at each end by piers.
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