IRT Broadway–Seventh Avenue Line bridge at 145th Street
E585142
The IRT Broadway–Seventh Avenue Line bridge at 145th Street is a New York City subway swing bridge carrying the 1 train across the Harlem River between Manhattan and the Bronx.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IRT Broadway–Seventh Avenue Line bridge at 145th Street canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6321534 — 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: IRT Broadway–Seventh Avenue Line bridge at 145th Street Context triple: [Harlem River crossings, include, IRT Broadway–Seventh Avenue Line bridge at 145th Street]
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A.
Manhattan Bridge (B train)
The Manhattan Bridge (B train) is a major New York City Subway crossing that carries B and D line trains between Brooklyn and Manhattan as part of the BMT Broadway and IND Sixth Avenue services.
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B.
Queensboro Bridge (Queens side)
Queensboro Bridge (Queens side) refers to the portion of the historic cantilever bridge where it connects to and enters the borough of Queens in New York City.
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C.
Manhattan Bridge
The Manhattan Bridge is a suspension bridge in New York City that connects Lower Manhattan and Downtown Brooklyn and carries both vehicular traffic and subway lines.
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D.
George Washington Bridge (Manhattan approach)
The George Washington Bridge (Manhattan approach) is the major roadway and interchange complex in Upper Manhattan that connects local streets and highways to the George Washington Bridge spanning the Hudson River between New York and New Jersey.
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E.
Bronx (via Throgs Neck Bridge)
Bronx (via Throgs Neck Bridge) refers to the New York City borough located at the northern end of the Throgs Neck Bridge, which connects it to Queens via the Clearview Expressway.
- 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: IRT Broadway–Seventh Avenue Line bridge at 145th Street Target entity description: The IRT Broadway–Seventh Avenue Line bridge at 145th Street is a New York City subway swing bridge carrying the 1 train across the Harlem River between Manhattan and the Bronx.
-
A.
Manhattan Bridge (B train)
The Manhattan Bridge (B train) is a major New York City Subway crossing that carries B and D line trains between Brooklyn and Manhattan as part of the BMT Broadway and IND Sixth Avenue services.
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B.
Queensboro Bridge (Queens side)
Queensboro Bridge (Queens side) refers to the portion of the historic cantilever bridge where it connects to and enters the borough of Queens in New York City.
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C.
Manhattan Bridge
The Manhattan Bridge is a suspension bridge in New York City that connects Lower Manhattan and Downtown Brooklyn and carries both vehicular traffic and subway lines.
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D.
George Washington Bridge (Manhattan approach)
The George Washington Bridge (Manhattan approach) is the major roadway and interchange complex in Upper Manhattan that connects local streets and highways to the George Washington Bridge spanning the Hudson River between New York and New Jersey.
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E.
Bronx (via Throgs Neck Bridge)
Bronx (via Throgs Neck Bridge) refers to the New York City borough located at the northern end of the Throgs Neck Bridge, which connects it to Queens via the Clearview Expressway.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
New York City Subway infrastructure
ⓘ
railway bridge ⓘ swing bridge ⓘ |
| carries |
1 train
ⓘ
IRT Broadway–Seventh Avenue Line NERFINISHED ⓘ |
| carriesTracks | two subway tracks ⓘ |
| connects |
Manhattan
NERFINISHED
ⓘ
The Bronx NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Harlem River NERFINISHED ⓘ |
| electrification | third rail ⓘ |
| hasDesign | swing bridge ⓘ |
| hasFunction | to carry subway trains between Manhattan and the Bronx ⓘ |
| lineServed | IRT Broadway–Seventh Avenue Line NERFINISHED ⓘ |
| locatedIn |
Manhattan
ⓘ
New York City ⓘ The Bronx NERFINISHED ⓘ |
| locatedNear | 145th Street ⓘ |
| operator | New York City Transit Authority NERFINISHED ⓘ |
| owner |
New York City
ⓘ
surface form:
City of New York
|
| partOf |
Interborough Rapid Transit Company system
ⓘ
New York City Subway ⓘ |
| region | New York State NERFINISHED ⓘ |
| riverCrossed | Harlem River NERFINISHED ⓘ |
| service | 1 train ⓘ |
| transportNetwork | MTA New York City Subway NERFINISHED ⓘ |
| usedBy |
Metropolitan Transportation Authority
NERFINISHED
ⓘ
New York City Transit Authority NERFINISHED ⓘ |
| usedFor | rapid transit ⓘ |
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: IRT Broadway–Seventh Avenue Line bridge at 145th Street Description of subject: The IRT Broadway–Seventh Avenue Line bridge at 145th Street is a New York City subway swing bridge carrying the 1 train across the Harlem River between Manhattan and the Bronx.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.