Massachusetts Avenue Bridge
E717668
The Massachusetts Avenue Bridge is a prominent roadway and pedestrian bridge in Boston spanning the Charles River and connecting the Back Bay neighborhood with Cambridge.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Massachusetts Avenue Bridge canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7882510 — 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: Massachusetts Avenue Bridge Context triple: [Hatch Memorial Shell, near, Massachusetts Avenue Bridge]
-
A.
Commonwealth Avenue Bridge
The Commonwealth Avenue Bridge is a major road bridge in Canberra, Australia, carrying Commonwealth Avenue across Lake Burley Griffin and linking the city centre with the Parliamentary Triangle.
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B.
East Capitol Street Bridge
The East Capitol Street Bridge is a major roadway bridge in Washington, D.C., carrying East Capitol Street across the Anacostia River and connecting central Washington to neighborhoods east of the river.
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C.
Neponset River Bridge
The Neponset River Bridge is a roadway bridge in the Boston area that carries traffic across the Neponset River, connecting the neighborhoods of Boston and Quincy, Massachusetts.
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D.
Cushman Street Bridge
Cushman Street Bridge is a prominent vehicular and pedestrian bridge in Fairbanks, Alaska, known for carrying Cushman Street across the Chena River and serving as a key downtown crossing.
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E.
Madison Avenue Bridge
The Madison Avenue Bridge is a historic swing bridge in New York City that carries Madison Avenue traffic between Manhattan and the Bronx.
- 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: Massachusetts Avenue Bridge Target entity description: The Massachusetts Avenue Bridge is a prominent roadway and pedestrian bridge in Boston spanning the Charles River and connecting the Back Bay neighborhood with Cambridge.
-
A.
Commonwealth Avenue Bridge
The Commonwealth Avenue Bridge is a major road bridge in Canberra, Australia, carrying Commonwealth Avenue across Lake Burley Griffin and linking the city centre with the Parliamentary Triangle.
-
B.
East Capitol Street Bridge
The East Capitol Street Bridge is a major roadway bridge in Washington, D.C., carrying East Capitol Street across the Anacostia River and connecting central Washington to neighborhoods east of the river.
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C.
Neponset River Bridge
The Neponset River Bridge is a roadway bridge in the Boston area that carries traffic across the Neponset River, connecting the neighborhoods of Boston and Quincy, Massachusetts.
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D.
Cushman Street Bridge
Cushman Street Bridge is a prominent vehicular and pedestrian bridge in Fairbanks, Alaska, known for carrying Cushman Street across the Chena River and serving as a key downtown crossing.
-
E.
Madison Avenue Bridge
The Madison Avenue Bridge is a historic swing bridge in New York City that carries Madison Avenue traffic between Manhattan and the Bronx.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bridge in Boston
ⓘ
cantilever bridge ⓘ road bridge ⓘ steel bridge ⓘ truss bridge ⓘ |
| alsoKnownAs |
MIT Bridge
NERFINISHED
ⓘ
Mass Ave Bridge NERFINISHED ⓘ |
| carries |
Massachusetts Avenue
NERFINISHED
ⓘ
pedestrians ⓘ road traffic ⓘ |
| connects |
Back Bay
NERFINISHED
ⓘ
Cambridge NERFINISHED ⓘ |
| crosses | Charles River NERFINISHED ⓘ |
| crossesBetween |
Boston Back Bay
NERFINISHED
ⓘ
Cambridge riverfront ⓘ |
| hasCulturalAssociation |
Boston–Cambridge commuting route
NERFINISHED
ⓘ
MIT Smoot measurement tradition ⓘ |
| hasDesignFeature |
bicycle lanes
ⓘ
sidewalks on both sides ⓘ steel girder spans ⓘ |
| hasNearbyInstitution |
Harvard University
NERFINISHED
ⓘ
Massachusetts Institute of Technology NERFINISHED ⓘ |
| hasSidewalks | two sidewalks ⓘ |
| hasTrafficLanes | four motor vehicle lanes ⓘ |
| hasViewOf |
Boston skyline
NERFINISHED
ⓘ
Charles River Basin NERFINISHED ⓘ MIT campus ⓘ |
| isOnRoute |
Massachusetts Avenue arterial route
NERFINISHED
ⓘ
Massachusetts Route 2A NERFINISHED ⓘ |
| length |
approximately 2,164.8 feet
ⓘ
approximately 659.82 meters ⓘ |
| lengthInSmoots | 364.4 Smoots ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
surface form:
Boston
Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| maintainedBy | Massachusetts Department of Transportation ⓘ |
| namedAfter | John Harvard NERFINISHED ⓘ |
| officialName | Harvard Bridge NERFINISHED ⓘ |
| opened | 1891 ⓘ |
| owner | Commonwealth of Massachusetts NERFINISHED ⓘ |
| partOf | Massachusetts Avenue transportation corridor NERFINISHED ⓘ |
| reconstructed |
1924
ⓘ
1949 ⓘ 1980s ⓘ |
| usedFor |
bicycle traffic
ⓘ
pedestrian traffic ⓘ vehicular traffic ⓘ |
| width | approximately 62 feet ⓘ |
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: Massachusetts Avenue Bridge Description of subject: The Massachusetts Avenue Bridge is a prominent roadway and pedestrian bridge in Boston spanning the Charles River and connecting the Back Bay neighborhood with Cambridge.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Massachusetts Avenue (Boston)