An expert retained by the victims of the Fern Hollow bridge collapse said the three engineering firms contracted to inspect the span failed to uphold the standard of care required for professional engineers.
David B. Mrowiec, a civil engineer based in Virginia, reached that conclusion after reviewing thousands of pages of documents released by the Pennsylvania Department of Transportation, the National Transportation Safety Board and the City of Pittsburgh and examining the bridge components post-collapse at a government storage yard in Virginia.
Mrowiec’s findings were included in a court filing Monday in Allegheny County Common Pleas Court as part of ongoing litigation surrounding the Jan. 28, 2022, collapse…