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In 1884, German-American Henry J. Heinz purchased several lots on the north bank of the Allegheny River in Pittsburgh. [6] From 1888 through 1906, approximately twenty buildings were built or purchased, mostly of wood and beam construction. [7] From 1906 through 1930, new buildings in the complex were made of steel and concrete instead of wood.
The City of Pittsburgh built six other similar bridges in the 1910s and 1920s, of which only the Larimer Avenue Bridge survives as of 2022. [12] The second bridge during construction in 1922. By the 1970s, the bridge had begun to decay. Chunks of concrete fell from the bridge in 1970, necessitating a temporary closure for repairs. [13]
The Conservancy’s School Grounds Greening program, in partnership with Pittsburgh Public Schools and supported by the Grable Foundation, PNC Grow Up Great and Richard King Mellon Foundation, has transformed concrete and/or grass-only areas into engaging, nature-focused outdoor play and greenspaces at nearly 80 schools in Pittsburgh and across ...
As highway construction moved away from rigid concrete construction, Blaw-Knox began making highway pavers for the new method of flexible asphalt paving . In 1931 Blaw-Knox introduced a form-riding finisher for asphalt paving. By 1932 they released the first self-propelled non-form riding finisher for the placement of stones and asphalt. [5]
The last company to have operations on the site was the Pittsburgh Works of the Jones and Laughlin Steel Corporation in 1979. This area was purchased by the Park Corporation in 1981, when J&L stopped their operations on the site. The Urban Redevelopment Authority of Pittsburgh (URA) then purchased the land from Park Corporation in 1983. The ...
Previously owned by Pittsburgh-based PNC Bank and currently owned by SomeraRoad Inc, the 31-story, 420-foot (128 m) high structure was designed by architect Welton Becket and was completed in 1971. A notable feature of the building is the pattern of pre-cast concrete panels on the exterior of its windows.
The Pittsburgh History and Landmarks Foundation (PHLF) Historic Landmark plaque program was begun in 1968 in order to identify architecturally significant structures and significant pieces of Pittsburgh, Pennsylvania, United States's local heritage throughout Allegheny County. Nominations are reviewed by the private non-profit foundation's ...
The U.S. Steel Tower, also known as the Steel Building, or USX Tower (1988–2001), is a 64-story skyscraper at 600 Grant Street in downtown Pittsburgh, Pennsylvania. The interior has 2,300,000 sq ft (210,000 m 2) of leasable space. At 256.3 m (841 ft) tall, it is the tallest building in Pittsburgh. [10]