Essay Bridging The Gap

Bridging The Gap

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This is a background research paper on the history and advancements in bridges.

This is a paper about bridges. The author examines their function, history and design. Much attention is paid to different types of bridges such as arch, suspension, move-able bridges and floating bridges.
” A bridge is a structure designed to provide continuous passage over an obstacle. Bridges commonly carry highways, railroad lines, and pathways over obstacles such as waterways, deep valleys, and other transportation routes. Bridges may also carry water, support power cables, or house telecommunications lines.(1)
Some special types of bridges are defined according to function. An overpass allows one transportation route, such as a highway or railroad line, to cross over another without traffic interference between the two routes. The overpass elevates one route to provide clearance to traffic on the lower level while still letting the higher level flow easily. An aqueduct transports water. Aqueducts have historically been used to supply drinking water to densely populated areas. A viaduct carries a railroad or highway over a land obstruction, such as a valley.(1)”

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