Pittsburgh Author Counts Bridges
The dozen or so bridges that cross the Allegheny and Monongahela rivers, joining downtown and its southern and northern neighborhoods, represent only a small fraction of the spans that crisscross this city.
Just how many are there? Depending on who has been doing the counting, that number has varied over the years.
Now, a local author who is a visiting professor at the University of Pittsburgh believes he has come up with a definitive number: 446.
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Federal Street Bridge, Pittsburgh, early 1900s photo from Pennsylvania Old Photos