pittsburgh bridge collapsed
Following road building and greater use of private automobiles the inclines business declined and most were closed and removed. The Homestead Grays Bridge also known as the Homestead High Level Bridge was built in 1936 and spans the Monongahela River between Homestead Borough and the southernmost tip of Pittsburghs Squirrel Hill neighborhood.
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Beginning in 1870 the city of Pittsburgh Pennsylvania built numerous inclined railways to provide passenger service to workers traveling the steep hills to their homes.
. It is notable as the first bridge to incorporate the Wichert Truss which uses a quadrilateral shape over each support into its design. There were 17 built in the late 19th century.
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