A 50-year-old bridge that collapsed in Pittsburgh had been rated as poor on a recent inspection report, but transportation officials and engineering experts cautioned that doesn't necessarily signal imminent danger for the thousands...
Full ArticlePittsburgh Bridge collapse: What does poor rating for collapsed bridge mean for others?
New Zealand Herald
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What Does Poor Rating For Collapsed Pittsburgh Bridge Mean For Others?
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Watch VideoA 50-year-old bridge that collapsed in Pittsburgh had been rated as poor on a recent inspection report, but..