Ironworkers Memorial Second Narrows Crossing
E723841
The Ironworkers Memorial Second Narrows Crossing is a major steel truss bridge in Vancouver, British Columbia, known both as a key transportation link and for the 1958 construction disaster that led to its memorial designation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ironworkers Memorial Second Narrows Crossing canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8303472 — 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: Ironworkers Memorial Second Narrows Crossing Context triple: [Burrard Inlet, crossedBy, Ironworkers Memorial Second Narrows Crossing]
-
A.
Lions Gate Bridge
The Lions Gate Bridge is a landmark suspension bridge in Vancouver, British Columbia, that spans Burrard Inlet and connects the city to the North Shore.
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B.
Hudson Memorial Bridge
The Hudson Memorial Bridge is a major highway bridge spanning the Tennessee River in Decatur, Alabama, serving as a key transportation link in the region.
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C.
Independence Bridge
Independence Bridge is a vehicular bascule bridge spanning the Saginaw River in Bay City, Michigan.
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D.
Astoria-Megler Bridge
The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
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E.
Margaret Hunt Hill Bridge
The Margaret Hunt Hill Bridge is a landmark cable-stayed bridge in Dallas, Texas, known for its striking central arch and sculptural design.
- 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: Ironworkers Memorial Second Narrows Crossing Target entity description: The Ironworkers Memorial Second Narrows Crossing is a major steel truss bridge in Vancouver, British Columbia, known both as a key transportation link and for the 1958 construction disaster that led to its memorial designation.
-
A.
Lions Gate Bridge
The Lions Gate Bridge is a landmark suspension bridge in Vancouver, British Columbia, that spans Burrard Inlet and connects the city to the North Shore.
-
B.
Hudson Memorial Bridge
The Hudson Memorial Bridge is a major highway bridge spanning the Tennessee River in Decatur, Alabama, serving as a key transportation link in the region.
-
C.
Independence Bridge
Independence Bridge is a vehicular bascule bridge spanning the Saginaw River in Bay City, Michigan.
-
D.
Astoria-Megler Bridge
The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
-
E.
Margaret Hunt Hill Bridge
The Margaret Hunt Hill Bridge is a landmark cable-stayed bridge in Dallas, Texas, known for its striking central arch and sculptural design.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
memorial bridge
ⓘ
road bridge ⓘ steel truss bridge ⓘ |
| additionalDeathsRelatedToAccident | 4 ⓘ |
| carries | British Columbia Highway 1 NERFINISHED ⓘ |
| connects |
North Vancouver
NERFINISHED
ⓘ
Vancouver NERFINISHED ⓘ |
| constructionDisasterYear | 1958 ⓘ |
| country | Canada ⓘ |
| crosses | Burrard Inlet NERFINISHED ⓘ |
| design | cantilever truss ⓘ |
| hasBicycleAccess | yes ⓘ |
| hasCategory |
Bridges in Vancouver
ⓘ
Memorials to workers ⓘ Road bridges in British Columbia ⓘ Truss bridges in Canada ⓘ |
| hasCommemorativeNameChangeReason | 1958 construction disaster ⓘ |
| hasFeature | separate eastbound and westbound decks ⓘ |
| hasFormerName |
Second Narrows Bridge
NERFINISHED
ⓘ
Second Narrows Crossing NERFINISHED ⓘ |
| hasLocalName |
Ironworkers Bridge
NERFINISHED
ⓘ
Second Narrows NERFINISHED ⓘ |
| hasMemorialPlaque | commemorating workers killed during construction ⓘ |
| hasNavigationClearance | suitable for ocean-going vessels ⓘ |
| hasNumberOfLanes | 8 ⓘ |
| hasSidewalks | yes ⓘ |
| hasToll | no ⓘ |
| isKeyTransportationLinkFor | North Shore communities of Metro Vancouver ⓘ |
| isOneOfMainCrossingsOf | Burrard Inlet NERFINISHED ⓘ |
| locatedIn |
British Columbia
ⓘ
Vancouver ⓘ |
| locatedNear | Port of Vancouver NERFINISHED ⓘ |
| locatedOn | Burrard Peninsula NERFINISHED ⓘ |
| maintainedBy | British Columbia Ministry of Transportation and Infrastructure NERFINISHED ⓘ |
| material | steel ⓘ |
| memorialPurpose | to honour workers who died during construction ⓘ |
| namedAfter | ironworkers killed in the 1958 Second Narrows Bridge collapse ⓘ |
| numberOfWorkersKilledInConstructionAccident | 19 ⓘ |
| officialNameAdopted | 1994 ⓘ |
| opened | 1960 ⓘ |
| openedToTraffic | August 25, 1960 ⓘ |
| partOf | Trans-Canada Highway NERFINISHED ⓘ |
| region | Metro Vancouver NERFINISHED ⓘ |
| replaced | original Second Narrows Bridge NERFINISHED ⓘ |
| totalDeathsCommemorated | 22 ⓘ |
| trafficType | motor vehicles ⓘ |
| waterwaySection | Second Narrows of Burrard Inlet NERFINISHED ⓘ |
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: Ironworkers Memorial Second Narrows Crossing Description of subject: The Ironworkers Memorial Second Narrows Crossing is a major steel truss bridge in Vancouver, British Columbia, known both as a key transportation link and for the 1958 construction disaster that led to its memorial designation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Burrard Inlet