Northern Avenue Bridge
E443324
The Northern Avenue Bridge is a historic steel truss bridge in Boston, Massachusetts, known for its former role carrying traffic across the Fort Point Channel between downtown and the Seaport District.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Northern Avenue Bridge canonical | 1 |
| Old Northern Avenue Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2183218 — 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: Northern Avenue Bridge Context triple: [Fort Point Channel, crossedBy, Northern Avenue Bridge]
-
A.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
B.
University Avenue Bridge
The University Avenue Bridge is a historic movable bridge in Philadelphia, Pennsylvania, carrying University Avenue over the Schuylkill River and serving as an important connection between West Philadelphia and the city's medical and university districts.
-
C.
Monroe Street Bridge
Monroe Street Bridge is a historic concrete arch bridge spanning the Spokane River in downtown Spokane, Washington, known for its distinctive architecture and scenic views.
-
D.
Main Street Bridge
Main Street Bridge is a prominent vehicular and pedestrian bridge in downtown Little Rock, Arkansas, spanning the Arkansas River and connecting Little Rock with North Little Rock.
-
E.
Summer Street Bridge
The Summer Street Bridge is a historic movable bridge in Boston, Massachusetts, carrying Summer Street over the Fort Point Channel and connecting downtown to the Seaport District.
- 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: Northern Avenue Bridge Target entity description: The Northern Avenue Bridge is a historic steel truss bridge in Boston, Massachusetts, known for its former role carrying traffic across the Fort Point Channel between downtown and the Seaport District.
-
A.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
B.
University Avenue Bridge
The University Avenue Bridge is a historic movable bridge in Philadelphia, Pennsylvania, carrying University Avenue over the Schuylkill River and serving as an important connection between West Philadelphia and the city's medical and university districts.
-
C.
Monroe Street Bridge
Monroe Street Bridge is a historic concrete arch bridge spanning the Spokane River in downtown Spokane, Washington, known for its distinctive architecture and scenic views.
-
D.
Main Street Bridge
Main Street Bridge is a prominent vehicular and pedestrian bridge in downtown Little Rock, Arkansas, spanning the Arkansas River and connecting Little Rock with North Little Rock.
-
E.
Summer Street Bridge
The Summer Street Bridge is a historic movable bridge in Boston, Massachusetts, carrying Summer Street over the Fort Point Channel and connecting downtown to the Seaport District.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
historic bridge
ⓘ
movable bridge ⓘ steel truss bridge ⓘ |
| alsoKnownAs |
Old Northern Avenue Bridge
ⓘ
linked to:
Northern Avenue Bridge
|
| cityContext | Boston waterfront ⓘ |
| connects |
Downtown Boston
ⓘ
Seaport District ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Fort Point Channel ⓘ |
| engineeringStyle | steel truss swing bridge ⓘ |
| function | transportation link between downtown and Seaport ⓘ |
| hasApproachFrom | Northern Avenue, Boston ⓘ |
| hasDesign | swing bridge ⓘ |
| hasLaneType |
roadway
ⓘ
sidewalks ⓘ |
| heritageStatus | historic structure ⓘ |
| historicSignificance | early 20th-century steel truss bridge in Boston ⓘ |
| historicUse |
pedestrian bridge
ⓘ
vehicular bridge ⓘ |
| isInMetropolitanArea | Greater Boston ⓘ |
| isOnWaterfront | Fort Point Channel waterfront ⓘ |
| isSubjectOf |
Boston waterfront redevelopment discussions
ⓘ
Seaport District transportation planning ⓘ |
| locatedIn |
Boston
ⓘ
linked to:
Boston, Massachusetts
Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| maintainedBy |
City of Boston
ⓘ
linked to:
Boston, Massachusetts
|
| material | steel ⓘ |
| municipality |
City of Boston
ⓘ
linked to:
Boston, Massachusetts
|
| near |
Boston Harbor
ⓘ
Boston Seaport District ⓘ
linked to:
South Boston
Financial District, Boston ⓘ
linked to:
Downtown Boston
|
| opened | 1908 ⓘ |
| orientation | east–west ⓘ |
| owner |
City of Boston
ⓘ
linked to:
Boston, Massachusetts
|
| partOf | transportation infrastructure of Boston ⓘ |
| region | New England ⓘ |
| spans | Fort Point Channel ⓘ |
| state | Massachusetts ⓘ |
| status |
closed to general public access
ⓘ
closed to vehicular traffic ⓘ |
| structureType | truss bridge ⓘ |
| usage |
pedestrian traffic
ⓘ
road traffic ⓘ |
| waterway | Fort Point Channel ⓘ |
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: Northern Avenue Bridge Description of subject: The Northern Avenue Bridge is a historic steel truss bridge in Boston, Massachusetts, known for its former role carrying traffic across the Fort Point Channel between downtown and the Seaport District.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Northern Avenue Bridge