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Mainly for transportaion/commuting. The downsize is when the river swells. A town near where I live had two (2) bridges to access it here in Arizona. They both were washed away during monsoon and the town was officially declared an "island" for a short while. All 3000+ residents had to be evacuated by helicopter...luckily the waters did not rise too much

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13y ago
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9y ago

Advantage: easy to build

Disadvantage: wood rots

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Q: What are the advantages and disadvantages of river bridges?
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