| What sort of work do you do? http://www.imagetext.co.nz/essay-of-my-best-friend/ ess ay Many fracture critical bridges were erected in the 1950s to 1970s during construction of the interstate highway system because they were relatively cheap and easy to build. Now they have exceeded their designed life expectancy but are still carrying traffic 但ﾂﾂ� often more cars and trucks than they were originally expected to handle. The Interstate 5 bridge in Washington state that collapsed in May was fracture critical.
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