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Pittsburgh's Bridges

Pittsburgh's Bridges by Todd Wilson PE
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Pittsburgh is the "City of Bridges," and what remarkable bridges they are! The area's challenging topography of deep ravines and mighty rivers--the Monongahela, Allegheny, and Ohio--set the stage for engineers, architects, and contractors to conquer the terrain with a variety of distinctive spans. Many were designed to be beautiful as well as functional. While other cities may have one signature bridge, Pittsburgh has such a wide variety that no single bridge can represent it. Pittsburgh's Bridges takes a comprehensive look at the design, construction, and, sometimes, demolition of the bridges that shaped Pittsburgh, ranging from the covered bridges of yesterday to those that define the skyline today.
Arcadia Publishing Inc.; October 2015
128 pages; ISBN 9781439653890
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Title: Pittsburgh's Bridges
Author: Todd Wilson PE; Helen Wilson