I seem to recall Rick Sebak citing some statistics in his documentary about Pittsburgh's bridges, but I'm unsure of the details. The documentary reviews differe

I seem to recall Rick Sebak citing some statistics in his documentary about Pittsburgh's bridges, but I'm unsure of the details. The documentary reviews different types of bridges on the river, shows an inspection, and interviews people working on them. (All of Sebak's documentaries are recommended! I can't think of any other series that brings out the warmth and charm of a city.) https://www.wqed.org/watch/pittsburgh-history-series/flying-bridge-nowhere-fqwlth https://www.wqed.org/watch/pittsburgh-history-series/flying-...