Matches in DBpedia 2016-04 for { <http://wikidata.dbpedia.org/resource/Q7797803> ?p ?o }
- Q7797803 subject Q13286160.
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- Q7797803 abstract "The Three Sisters are three very similar self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, Pennsylvania at 6th, 7th, and 9th streets, generally running north/south. The bridges have been given formal names to honor important Pittsburgh residents: Roberto Clemente (Sixth Street Bridge) Andy Warhol (Seventh Street Bridge) Rachel Carson (Ninth Street Bridge)Designed by the Allegheny County Department of Public Works, they were all built in a four-year period, from 1924 to 1928, by the American Bridge Company, replacing earlier bridges of various designs at the same sites. Their construction was mandated by the War Department, citing navigable river clearance concerns. They are constructed of steel, and use steel eyebars in lieu of cables.The Three Sisters are historically significant because they are the only trio of nearly identical bridges, as well as the first self-anchored suspension spans, built in the United States. They are among the only surviving examples of large eyebar chain suspension bridges in America, and furthermore, unusual for having been erected using cantilever methods. The bridges’ design was viewed as a creative response to the political, commercial, and aesthetic concerns of Pittsburgh in the 1920s.The bridges were designed under the auspices of the Allegheny Department of Public Works, by T. J. Wilkerson, consulting engineer; Vernon R. Covell, chief engineer; A. D. Nutter, design engineer; and Stanley L. Roush, architect. The American Bridge Company built the superstructure; while the Foundation Company built the substructure.All three bridges are owned by Allegheny County.".
- Q7797803 bridgeCarries "2 Vehicular lanes, 2 sidewalks".
- Q7797803 bridgeCarries "Ninth Street".
- Q7797803 bridgeCarries "Seventh Street".
- Q7797803 bridgeCarries "Sixth Street".
- Q7797803 crosses Q686021.
- Q7797803 length "256.032".
- Q7797803 length "269.4432".
- Q7797803 locatedInArea Q1342.
- Q7797803 locatedInArea Q1400.
- Q7797803 mainspan "124.968".
- Q7797803 mainspan "131.064".
- Q7797803 mainspan "134.7216".
- Q7797803 maintainedBy Q156291.
- Q7797803 openingDate "1926-06-17".
- Q7797803 openingDate "1926-11-26".
- Q7797803 openingDate "1928-10-19".
- Q7797803 openingYear "1926".
- Q7797803 openingYear "1928".
- Q7797803 thumbnail HAER_PBG_6thStreet_361497cv.jpg?width=300.
- Q7797803 type Q7448015.
- Q7797803 width "11.5824".
- Q7797803 width "3.048".
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- Q7797803 bridgeName "Ninth Street Bridge".
- Q7797803 bridgeName "Seventh Street Bridge".
- Q7797803 bridgeName "Sixth Street Bridge".
- Q7797803 bridgeName "The Three Sisters".
- Q7797803 carries "2".
- Q7797803 carries "Ninth Street".
- Q7797803 carries "Seventh Street".
- Q7797803 carries "Sixth Street".
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- Q7797803 length "in main plus two side spans; with approaches".
- Q7797803 locale Q1342.
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