Three Sisters (Pittsburgh bridges)
E1158360
UNEXPLORED
Three Sisters (Pittsburgh bridges) are a famous trio of nearly identical self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, known for their distinctive yellow color and historic architectural significance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Three Sisters (Pittsburgh bridges) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T15435659 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Three Sisters (Pittsburgh bridges) Context triple: [Andy Warhol Bridge, partOf, Three Sisters (Pittsburgh bridges)]
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A.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
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B.
Ambridge–Aliquippa Bridge
The Ambridge–Aliquippa Bridge is a historic steel truss bridge spanning the Ohio River in western Pennsylvania, connecting the communities of Ambridge and Aliquippa.
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C.
Charleroi–Monessen Bridge
The Charleroi–Monessen Bridge is a steel truss bridge spanning the Monongahela River in southwestern Pennsylvania, connecting the towns of Charleroi and Monessen.
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D.
South Market Street Bridge
The South Market Street Bridge is a historic vehicular and pedestrian bridge in Wilmington, Delaware, that carries South Market Street across the Christina River.
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E.
Girard Avenue Bridge over the Schuylkill River
The Girard Avenue Bridge over the Schuylkill River is a historic multi-span bridge in Philadelphia that carries Girard Avenue across the Schuylkill River, connecting the city’s Fairmount and West Philadelphia areas.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Three Sisters (Pittsburgh bridges) Target entity description: Three Sisters (Pittsburgh bridges) are a famous trio of nearly identical self-anchored suspension bridges spanning the Allegheny River in downtown Pittsburgh, known for their distinctive yellow color and historic architectural significance.
-
A.
Panhandle Bridge at Pittsburgh
The Panhandle Bridge at Pittsburgh is a historic railroad bridge over the Monongahela River that once carried major Pennsylvania Railroad and successor passenger trains into downtown Pittsburgh.
-
B.
Ambridge–Aliquippa Bridge
The Ambridge–Aliquippa Bridge is a historic steel truss bridge spanning the Ohio River in western Pennsylvania, connecting the communities of Ambridge and Aliquippa.
-
C.
Charleroi–Monessen Bridge
The Charleroi–Monessen Bridge is a steel truss bridge spanning the Monongahela River in southwestern Pennsylvania, connecting the towns of Charleroi and Monessen.
-
D.
South Market Street Bridge
The South Market Street Bridge is a historic vehicular and pedestrian bridge in Wilmington, Delaware, that carries South Market Street across the Christina River.
-
E.
Girard Avenue Bridge over the Schuylkill River
The Girard Avenue Bridge over the Schuylkill River is a historic multi-span bridge in Philadelphia that carries Girard Avenue across the Schuylkill River, connecting the city’s Fairmount and West Philadelphia areas.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.