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The Lindenthal bridge was built in its place, using the Roebling bridge's stone masonry piers. The Smithfield Street Bridge is the penultimate of the many bridges that span the Monongahela before the river joins with the Allegheny River to form the Ohio River at Downtown Pittsburgh .
In 1859, the second Sixth Street Bridge was built by John A. Roebling. This was his third and final bridge in Pittsburgh. His eldest son Washington Roebling worked with him on the bridge after completing his degree in engineering. This bridge had two main spans of 343 feet (105 m), with shore spans of 179 feet (55 m). [3]
John Augustus Roebling (born Johann August Röbling; June 12, 1806 – July 22, 1869) was a German-born American civil engineer. [1] He designed and built wire rope suspension bridges, in particular the Brooklyn Bridge, which has been designated as a National Historic Landmark and a National Historic Civil Engineering Landmark.
The collapse of the four-lane Fern Hollow Bridge that carries Forbes Avenue over Frick Park occurred at 6:39 a.m. local time in Pittsburgh's Poi 'Sounded like a huge snowplow': 10 injured in ...
A two-lane bridge collapsed in Pittsburgh Friday, prompting rescuers to form a human chain to help rescue multiple people from a dangling bus. (Jan. 28)
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The Allegheny Aqueduct was John A. Roebling's first wire cable suspension bridge. [1] It was built in 1844 near the later Fort Wayne Railroad Bridge as a replacement for a wooden covered bridge aqueduct over the Allegheny River in Pittsburgh , part of the Pennsylvania Canal .
The agency rebuilt the bridge's superstructure from Roebling's original plans and specification in 1986, and in 1995, the wooden icebreakers, towpaths and aqueduct walls were reconstructed, restoring the bridge's original appearance as an aqueduct. The bridge is now part of the Upper Delaware Scenic and Recreational River. [7]