Pennsylvania couple hurt in bridge collapse to file suitPITTSBURGH — A Penn Hills couple hurt in the Fern Hollow Bridge collapse said this week they intend to sue PennDOT, the city of Pittsburgh and the Port Authority of Allegheny County for their injuries. Tyrone and Velva Perry, both 69, were driving along Forbes Avenue when they were among 10 people injured when the bridge fell into a ravine in Frick Park on the morning of Jan. 28. The incident left the Perrys with “traumatic” spinal fractures, a release from their lawyers says. Five other vehicles, including a Port Authority bus, were on t…