Tasman Bridge
E354270
The Tasman Bridge is a major concrete bridge in Hobart, Tasmania, carrying the Tasman Highway across the Derwent River and known for its 1975 collapse after a ship collision.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tasman Bridge canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3354334 — 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: Tasman Bridge Context triple: [Derwent River, hasBridge, Tasman Bridge]
-
A.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
B.
Blannerhassett Island Bridge
Blannerhassett Island Bridge is a cable-stayed highway bridge over the Ohio River that carries U.S. Route 50 near Parkersburg, West Virginia, providing access to Blennerhassett Island and connecting West Virginia with Ohio.
-
C.
Silverwater Bridge
Silverwater Bridge is a major road bridge in Sydney, Australia, carrying Silverwater Road across the Parramatta River and serving as an important link in the city's western suburbs transport network.
-
D.
Green Island Bridge
Green Island Bridge is a vehicular and pedestrian bridge spanning the Hudson River, connecting the city of Troy to Green Island in New York State.
-
E.
Captain Cook Bridge
Captain Cook Bridge is a major road bridge in southern Sydney, Australia, carrying traffic across the Georges River between the suburbs of Sans Souci and Taren Point.
- 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: Tasman Bridge Target entity description: The Tasman Bridge is a major concrete bridge in Hobart, Tasmania, carrying the Tasman Highway across the Derwent River and known for its 1975 collapse after a ship collision.
-
A.
West Gate Bridge
West Gate Bridge is a major steel box-girder road bridge in Melbourne, Australia, known for carrying heavy traffic between the city’s inner west and the central business district and for the tragic collapse during its construction in 1970.
-
B.
Blannerhassett Island Bridge
Blannerhassett Island Bridge is a cable-stayed highway bridge over the Ohio River that carries U.S. Route 50 near Parkersburg, West Virginia, providing access to Blennerhassett Island and connecting West Virginia with Ohio.
-
C.
Silverwater Bridge
Silverwater Bridge is a major road bridge in Sydney, Australia, carrying Silverwater Road across the Parramatta River and serving as an important link in the city's western suburbs transport network.
-
D.
Green Island Bridge
Green Island Bridge is a vehicular and pedestrian bridge spanning the Hudson River, connecting the city of Troy to Green Island in New York State.
-
E.
Captain Cook Bridge
Captain Cook Bridge is a major road bridge in southern Sydney, Australia, carrying traffic across the Georges River between the suburbs of Sans Souci and Taren Point.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
concrete bridge ⓘ road bridge ⓘ |
| carries | Tasman Highway ⓘ |
| causeOfAccident | ship collision ⓘ |
| cityServed | Hobart ⓘ |
| connects |
Eastern Shore suburbs of Hobart
ⓘ
Hobart ⓘ
surface form:
Hobart CBD
|
| constructionStart | 1960 ⓘ |
| continent | Australia ⓘ |
| country | Australia ⓘ |
| crosses |
Derwent River
ⓘ
Derwent River ⓘ
surface form:
River Derwent, Hobart
|
| dateOfAccident | 1975-01-05 ⓘ |
| designedFor | motor vehicles ⓘ |
| function | road transport ⓘ |
| hasBicycleAccess | yes ⓘ |
| hasCoordinateSystem |
WGS84
ⓘ
surface form:
World Geodetic System 1984
|
| hasPedestrianAccess | yes ⓘ |
| hasToll | no ⓘ |
| heritageStatus | listed on Tasmanian Heritage Register ⓘ |
| impactOfCollapse |
necessitated use of ferries as temporary transport
ⓘ
severed road link between Hobart and Eastern Shore ⓘ |
| isMajorTransportLinkFor |
Greater Hobart region
ⓘ
surface form:
Greater Hobart area
|
| knownFor |
1975 bridge collapse
ⓘ
collision with bulk carrier Lake Illawarra ⓘ |
| locatedInWaterBody | Derwent River estuary ⓘ |
| location |
Australia
ⓘ
Hobart ⓘ Tasmania ⓘ |
| maintainedBy | Department of State Growth (Tasmania) ⓘ |
| material | reinforced concrete ⓘ |
| numberOfLanes | 4 ⓘ |
| opened | 1964 ⓘ |
| owner |
Government of Tasmania
ⓘ
surface form:
State Government of Tasmania
|
| partOf |
Highway 1 (Australia)
ⓘ
surface form:
National Highway 1 (via Tasman Highway)
|
| region | Southern Tasmania ⓘ |
| reopened | 1977 ⓘ |
| riverBank1 | Hobart CBD side ⓘ |
| riverBank2 | Eastern Shore of Hobart ⓘ |
| safetyImprovements |
navigation aids upgraded after 1975 accident
ⓘ
structural strengthening after reconstruction ⓘ |
| significantEvent | partial collapse in 1975 ⓘ |
| state | Tasmania ⓘ |
| structureType | girder bridge ⓘ |
| victims | 12 deaths ⓘ |
| yearOfAccident | 1975 ⓘ |
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: Tasman Bridge Description of subject: The Tasman Bridge is a major concrete bridge in Hobart, Tasmania, carrying the Tasman Highway across the Derwent River and known for its 1975 collapse after a ship collision.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
River Derwent (Tasmania)