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…
By Claudia Lauer | Associated Press
President Joe Biden, who was in Pittsburgh on Friday to promote a $1 trillion infrastructure law, said it was miraculous that there were no fatalities and that only a few people were injured. Generally, bridges are inspected every two years, with some older or lower-rated bridges inspected more often.
“A poor rating doesn’t mean bridges are unsafe, it just means one of those components are rated at that level,” Herrmann said. “It’s a rigorous system, and frankly the federal system is what gives me confidence in the safety of our bridge infrastructure.” Sometimes the deterioration is minor enough that the bridge will be put in the queue for repair and the frequency of inspections will increase, said Jerome Hajjar, professor and department chair at Northeastern University’s College of Engineering.
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