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Im always amazed and in fear of bridges in terms of engineering. The Ben Franklin Bridge was built in 1923, before mass transportation, cars, etc. and routinely
by aswanson 10y ago
Im always amazed and in fear of bridges in terms of engineering. The Ben Franklin Bridge was built in 1923, before mass transportation, cars, etc. and routinely handles full traffic jams every day. The engineer could not have had that in mind when it was built, and yet it stands.
- jacquesm 10y agoThat's because those engineers did take their safety margins and unforeseen uses serious and engineered in enough redundancy to make this work. Obviously there are limits, chances are those limits are fairly well described and if they are ever exceeded it will be ugly.