Pittsburgh and Allegheny County are home to one of the largest collections of historic bridges in the country, and if you choose the right definition of what makes a bridge, no other city in the world has more bridges. Whatever the actual number, Pittsburgh is a true city of bridges, with its immense variety of bridge types and features crossed. Bridges range from large river bridges, bridges over the uneven topography, and overpass bridges.
Special Bridge Conditions Legend: R - Former location of relocated bridge.
! - At risk for demolition or destruction.
X - Confirmed demolished or
collapsed. S
- Dismantled and/or in storage.
L -
Severe loss of historic integrity due to alteration.