Three Sisters (Pittsburgh)
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The Three Sisters are three similar self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, Pennsylvania at 6th, 7th, and 9th streets, generally running north–south. The
View of Sixth, Seventh and Ninth Street Bridges from downriver
From north bank of the Allegheny, downtown Pittsburgh in background
From north bank of the Allegheny, looking SW, downtown Pittsburgh in background, Sixth Street Bridge at right. Shows main plate girder (bearing compressive forces) and sidewalk support
From south bank of the Allegheny, looking NE, oblique view of roadway and south tower, showing eyebar links for main suspenders and roadway suspenders, as well as solid plate main compressive stiffening girders dividing roadway from sidewalks
Roberto Clemente Bridge
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The Roberto Clemente Bridge, also known as the Sixth Street Bridge, spans the Allegheny River in downtown Pittsburgh, Pennsylvania, United States.
Three Sisters (Pittsburgh)
…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…
The Bridge with Downtown Pittsburgh in the background.
Roebling's second version (1859) of the Sixth Street Bridge.
Plaque on the North Shore of the Sixth Street Bridge.
Pittsburgh Tenth Street Bridge from Bluff downsteam