Second Narrows Rail Bridge
E849353
The Second Narrows Rail Bridge is a steel truss railway bridge in Vancouver, British Columbia, that carries rail traffic across the eastern end of Burrard Inlet.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Second Narrows Rail Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8394113 — 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: Second Narrows Rail Bridge Context triple: [Burrard Inlet, crossedBy, Second Narrows Rail Bridge]
-
A.
Frank J. Wood Bridge
The Frank J. Wood Bridge is a historic steel truss bridge in Maine that connects the towns of Brunswick and Topsham.
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B.
Winona Bridge
Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
-
C.
Oregon Slough Railroad Bridge
The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
-
D.
Imjin River Railroad Bridge
The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
-
E.
Kedzie Bridge
Kedzie Bridge is a pedestrian bridge on the Michigan State University campus that spans the Red Cedar River and connects key areas of the East Lansing grounds.
- 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: Second Narrows Rail Bridge Target entity description: The Second Narrows Rail Bridge is a steel truss railway bridge in Vancouver, British Columbia, that carries rail traffic across the eastern end of Burrard Inlet.
-
A.
Frank J. Wood Bridge
The Frank J. Wood Bridge is a historic steel truss bridge in Maine that connects the towns of Brunswick and Topsham.
-
B.
Winona Bridge
Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
-
C.
Oregon Slough Railroad Bridge
The Oregon Slough Railroad Bridge is a historic swing-span railway bridge in Portland, Oregon, carrying freight and passenger trains across the North Portland Harbor channel of the Columbia River.
-
D.
Imjin River Railroad Bridge
The Imjin River Railroad Bridge is a historic railway bridge in South Korea that spans the Imjin River near the Demilitarized Zone and has significance dating back to the Korean War.
-
E.
Kedzie Bridge
Kedzie Bridge is a pedestrian bridge on the Michigan State University campus that spans the Red Cedar River and connects key areas of the East Lansing grounds.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
movable bridge
ⓘ
railway bridge ⓘ steel truss bridge ⓘ |
| allows | marine traffic passage ⓘ |
| carries |
freight trains
ⓘ
passenger trains ⓘ rail traffic ⓘ |
| connects |
North Shore of Burrard Inlet
NERFINISHED
ⓘ
Vancouver NERFINISHED ⓘ |
| country | Canada ⓘ |
| crosses |
Burrard Inlet
NERFINISHED
ⓘ
Second Narrows NERFINISHED ⓘ |
| doesNotCarry |
pedestrians
ⓘ
road vehicles ⓘ |
| hasAccessRestriction | rail traffic only ⓘ |
| hasCategory |
Bridges in Vancouver
ⓘ
Railway bridges in British Columbia ⓘ Vertical lift bridges in Canada ⓘ |
| hasDesign | vertical-lift bridge ⓘ |
| hasEngineeringFeature | steel truss lift span ⓘ |
| hasFunction |
freight rail crossing
ⓘ
passenger rail crossing ⓘ |
| hasLiftSpan | yes ⓘ |
| hasMovableSpanType | vertical lift ⓘ |
| hasNumberOfTracks | 2 ⓘ |
| hasStrategicImportanceFor | Port of Vancouver freight operations ⓘ |
| isPartOfTransportInfrastructureOf |
British Columbia
NERFINISHED
ⓘ
Canada NERFINISHED ⓘ Vancouver NERFINISHED ⓘ |
| locatedIn |
British Columbia
ⓘ
Vancouver ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedInWaterBody | Burrard Inlet NERFINISHED ⓘ |
| locatedNear |
Burrard Inlet oil terminals
ⓘ
Ironworkers Memorial Second Narrows Crossing NERFINISHED ⓘ Port of Vancouver facilities NERFINISHED ⓘ |
| locatedOnWaterwaySection | eastern end of Burrard Inlet ⓘ |
| maintainedBy | Canadian National Railway NERFINISHED ⓘ |
| material | steel ⓘ |
| namedAfter | Second Narrows NERFINISHED ⓘ |
| opened | 1960 ⓘ |
| owner | Canadian National Railway NERFINISHED ⓘ |
| parallelTo | Ironworkers Memorial Second Narrows Crossing NERFINISHED ⓘ |
| partOf | Canadian National Railway network NERFINISHED ⓘ |
| railwayOperator | Canadian National Railway NERFINISHED ⓘ |
| region | Metro Vancouver NERFINISHED ⓘ |
| replaced | original Second Narrows Bridge ⓘ |
| structureType | truss bridge ⓘ |
| usedFor | rail transport ⓘ |
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: Second Narrows Rail Bridge Description of subject: The Second Narrows Rail Bridge is a steel truss railway bridge in Vancouver, British Columbia, that carries rail traffic across the eastern end of Burrard Inlet.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.