Panhandle Railroad Bridge
E527360
The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Panhandle Railroad Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3554426 — 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: Panhandle Railroad Bridge Context triple: [Panhandle Bridge, alsoKnownAs, Panhandle Railroad Bridge]
-
A.
Perrine Bridge
Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
-
B.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
-
C.
Bixby Creek Bridge
Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
-
D.
Rosendale Trestle
Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
-
E.
Great River Bridge
The Great River Bridge is a cable-stayed highway bridge spanning the Mississippi River at Burlington, Iowa, serving as a key regional crossing between Iowa and Illinois.
- 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: Panhandle Railroad Bridge Target entity description: The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
-
A.
Perrine Bridge
Perrine Bridge is a large steel arch bridge spanning the Snake River Canyon in Twin Falls, Idaho, renowned for its dramatic views and popularity as a BASE jumping site.
-
B.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
-
C.
Bixby Creek Bridge
Bixby Creek Bridge is an iconic reinforced-concrete arch bridge along California’s scenic Highway 1, renowned for its dramatic coastal setting and frequent appearance in photography and film.
-
D.
Rosendale Trestle
Rosendale Trestle is a historic 19th-century railroad viaduct in Rosendale, New York, now best known as a restored pedestrian walkway and landmark spanning the Rondout Creek.
-
E.
Great River Bridge
The Great River Bridge is a cable-stayed highway bridge spanning the Mississippi River at Burlington, Iowa, serving as a key regional crossing between Iowa and Illinois.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
historic bridge
ⓘ
railroad bridge ⓘ steel truss bridge ⓘ through truss bridge ⓘ |
| carries |
Pittsburgh light rail trains
ⓘ
light rail tracks ⓘ |
| city |
Pittsburgh
ⓘ
linked to:
Pittsburgh, Pennsylvania
|
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Monongahela River ⓘ |
| currentUse | light rail bridge ⓘ |
| function | rail transport ⓘ |
| heritageStatus | historic structure ⓘ |
| locatedIn |
Allegheny County, Pennsylvania
ⓘ
linked to:
Allegheny County
Pennsylvania ⓘ Pittsburgh, Pennsylvania ⓘ United States ⓘ
linked to:
United States of America
|
| material | steel ⓘ |
| originallyUsedBy |
Panhandle Route
ⓘ
Pennsylvania Railroad ⓘ
linked to:
Pennsylvania Railroad Company
|
| originalUse | railroad bridge ⓘ |
| owner | Port Authority of Allegheny County ⓘ |
| partOf |
Pittsburgh light rail network
ⓘ
linked to:
Pittsburgh Light Rail
|
| railwayType | railroad ⓘ |
| region | Western Pennsylvania ⓘ |
| spans | Monongahela River ⓘ |
| state | Pennsylvania ⓘ |
| structureType | truss bridge ⓘ |
| usedBy |
Pittsburgh Light Rail
ⓘ
Port Authority of Allegheny County light rail system ⓘ
linked to:
Pittsburgh Light Rail
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Panhandle Railroad Bridge Description of subject: The Panhandle Railroad Bridge is a historic steel truss railroad bridge spanning the Monongahela River in Pittsburgh, Pennsylvania, now used by the city's light rail system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Panhandle Bridge at Pittsburgh