(Newser) -
The Minneapolis bridge that failed last summer, killing 13 people, had fatal design flaws, the NTSB announced today. Steel gusset plates that held together beams on the eight-lane bridge were half the thickness they should have been, investigators found. While the agency didn't say the gusset plates caused the collapse,16 fractured plates were discovered on the center span, which collapsed during the evening rush hour Aug. 1, AP reports.
More »