Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Three_Sisters_(Pittsburgh)> ?p ?o }
- Three_Sisters_(Pittsburgh) length "0.256032".
- Three_Sisters_(Pittsburgh) length "0.2694432".
- Three_Sisters_(Pittsburgh) 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.".
- Three_Sisters_(Pittsburgh) bridgeCarries "2 Vehicular lanes, 2 sidewalks".
- Three_Sisters_(Pittsburgh) bridgeCarries "Ninth Street".
- Three_Sisters_(Pittsburgh) bridgeCarries "Seventh Street".
- Three_Sisters_(Pittsburgh) bridgeCarries "Sixth Street".
- Three_Sisters_(Pittsburgh) crosses Allegheny_River.
- Three_Sisters_(Pittsburgh) length "256.032".
- Three_Sisters_(Pittsburgh) length "269.4432".
- Three_Sisters_(Pittsburgh) locatedInArea Pennsylvania.
- Three_Sisters_(Pittsburgh) locatedInArea Pittsburgh.
- Three_Sisters_(Pittsburgh) mainspan "124.968".
- Three_Sisters_(Pittsburgh) mainspan "131.064".
- Three_Sisters_(Pittsburgh) mainspan "134.7216".
- Three_Sisters_(Pittsburgh) maintainedBy Allegheny_County,_Pennsylvania.
- Three_Sisters_(Pittsburgh) openingDate "1926-06-17".
- Three_Sisters_(Pittsburgh) openingDate "1926-11-26".
- Three_Sisters_(Pittsburgh) openingDate "1928-10-19".
- Three_Sisters_(Pittsburgh) openingYear "1926".
- Three_Sisters_(Pittsburgh) openingYear "1928".
- Three_Sisters_(Pittsburgh) thumbnail HAER_PBG_6thStreet_361497cv.jpg?width=300.
- Three_Sisters_(Pittsburgh) type Self-anchored_suspension_bridge.
- Three_Sisters_(Pittsburgh) width "11.5824".
- Three_Sisters_(Pittsburgh) width "3.048".
- Three_Sisters_(Pittsburgh) wikiPageExternalLink ?ll=40.444269,-80.000982&spn=0.011725,0.016072&t=h.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink browse.db&recNum=0&itemLink=&title2=Three+Sisters+Bridges,+Sixth+Street+Bridge,+Spanning+Allegheny+River+at+Sixth+Street,+Pittsburgh,+Allegheny+County,+PA&displayType=1&maxCols=2.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink hh:@FIELD(SUBJ+@od1(+self+anchored+suspension+bridges+)).
- Three_Sisters_(Pittsburgh) wikiPageExternalLink fieldnote_sisters.htm.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink pittsburghW.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink ninth_st_br.htm.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink seventh_st_br.htm.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink sixth_st_br.htm.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink bridge.php?bid=148.
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- Three_Sisters_(Pittsburgh) wikiPageExternalLink bridge.php?bid=158.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink pic.php?pid=158.
- Three_Sisters_(Pittsburgh) wikiPageExternalLink bridgerenamed.htm.
- Three_Sisters_(Pittsburgh) wikiPageID "2116375".
- Three_Sisters_(Pittsburgh) wikiPageLength "15816".
- Three_Sisters_(Pittsburgh) wikiPageOutDegree "70".
- Three_Sisters_(Pittsburgh) wikiPageRevisionID "644670793".
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Allegheny_County,_Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Allegheny_River.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink American_Bridge_Company.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Andy_Warhol.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Andy_Warhol_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink BridgeMeister.com.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:1926_establishments_in_Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Bridges_completed_in_1926.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Bridges_completed_in_1927.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Bridges_completed_in_1928.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Bridges_in_Pittsburgh,_Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Bridges_over_the_Allegheny_River.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Historic_American_Engineering_Record_in_Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Pittsburgh_History_&_Landmarks_Foundation_Historic_Landmarks.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Road_bridges_in_Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Self-anchored_suspension_bridges.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Category:Suspension_bridges_in_the_United_States.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Coraopolis_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink David_B._Steinman.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Deutz_Suspension_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Deutzer_Hängebrücke.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Eyebar.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Fort_Duquesne_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Fort_Wayne_Railroad_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Foundation_Company.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink J._A._L._Waddell.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink John_Alexander_Low_Waddell.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink List_of_bridges_documented_by_the_Historic_American_Engineering_Record_in_Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink List_of_crossings_of_the_Allegheny_River.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Monongahela_River.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink New_York_City.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Pennsylvania.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Pghbridges.com.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Pittsburgh.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Quebec_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Rachel_Carson.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Rachel_Carson_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Roberto_Clemente.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Roberto_Clemente_Bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Self-anchored_suspension_bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Suspension_bridge.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink The_Triplets_bridges.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink United_States_Department_of_War.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink Vernon_R._Covell.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink File:Haer_PBG_erection_force_Diagram_part.png.
- Three_Sisters_(Pittsburgh) wikiPageWikiLink File:I-279.svg.
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Pittsburgh Seventh Street Bridge".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Sixth, Seventh, and Ninth Street Bridges".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "The Three Sisters".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Three Sister Bridges".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Three Sisters (Pittsburgh)".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Three Sisters Bridges".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Three Sisters".
- Three_Sisters_(Pittsburgh) wikiPageWikiLinkText "Three self-anchored suspension bridges".
- Three_Sisters_(Pittsburgh) below "deck is above Emsworth Dam normal pool level or above sea level".
- Three_Sisters_(Pittsburgh) bridge Andy_Warhol_Bridge.
- Three_Sisters_(Pittsburgh) bridge Rachel_Carson_Bridge.
- Three_Sisters_(Pittsburgh) bridge Roberto_Clemente_Bridge.