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
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 caution that doesn t necessarily signal imminent danger
A 50-year-old bridge that collapsed in Pittsburgh had been rated as poor on a recent inspection report, but transportation officials and engineering expert