Tamar Bridge
E450967
Tamar Bridge is a major suspension bridge in southwest England that carries road traffic between Plymouth in Devon and Saltash in Cornwall across the River Tamar.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tamar Bridge canonical | 5 |
| Tamar Bridge (road bridge) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3270643 — 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: Tamar Bridge Context triple: [River Tamar, crossedBy, Tamar Bridge]
-
A.
Benson Bridge
Benson Bridge is a historic pedestrian footbridge that spans the lower falls at Oregon’s Multnomah Falls, offering visitors a close-up view of the cascading water.
-
B.
Morrison Bridge
The Morrison Bridge is a bascule bridge spanning the Willamette River in downtown Portland, Oregon, carrying both vehicle and pedestrian traffic.
-
C.
Judith Bridge
Judith Bridge was a medieval stone bridge in Prague that preceded and was ultimately replaced by the famous Charles Bridge after being destroyed by floods.
-
D.
Brooks Bridge
Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
-
E.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
- 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: Tamar Bridge Target entity description: Tamar Bridge is a major suspension bridge in southwest England that carries road traffic between Plymouth in Devon and Saltash in Cornwall across the River Tamar.
-
A.
Benson Bridge
Benson Bridge is a historic pedestrian footbridge that spans the lower falls at Oregon’s Multnomah Falls, offering visitors a close-up view of the cascading water.
-
B.
Morrison Bridge
The Morrison Bridge is a bascule bridge spanning the Willamette River in downtown Portland, Oregon, carrying both vehicle and pedestrian traffic.
-
C.
Judith Bridge
Judith Bridge was a medieval stone bridge in Prague that preceded and was ultimately replaced by the famous Charles Bridge after being destroyed by floods.
-
D.
Brooks Bridge
Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
-
E.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
suspension bridge ⓘ |
| carries |
A38 road
NERFINISHED
ⓘ
cyclists ⓘ motor vehicles ⓘ pedestrians ⓘ |
| connects |
Plymouth
NERFINISHED
ⓘ
Saltash NERFINISHED ⓘ |
| constructionStartDate | 1959 ⓘ |
| country |
England
ⓘ
United Kingdom ⓘ |
| crosses | River Tamar NERFINISHED ⓘ |
| designedBy | Mott, Hay and Anderson NERFINISHED ⓘ |
| function | road transport link between Devon and Cornwall ⓘ |
| governingBody |
Cornwall Council
NERFINISHED
ⓘ
Plymouth City Council NERFINISHED ⓘ |
| hasFeature | shared-use path for pedestrians and cyclists ⓘ |
| hasNumberOfMainSpans | 1 ⓘ |
| hasNumberOfSideSpans | 2 ⓘ |
| hasToll | yes ⓘ |
| hasType |
highway bridge
ⓘ
toll bridge ⓘ |
| heritageStatus | Grade I listed structure ⓘ |
| locatedIn |
Cornwall
NERFINISHED
ⓘ
Devon ⓘ southwest England ⓘ
surface form:
South West England
|
| maintainedBy | Tamar Bridge and Torpoint Ferry Joint Committee NERFINISHED ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| namedAfter | River Tamar NERFINISHED ⓘ |
| near |
Plymouth city centre
NERFINISHED
ⓘ
Saltash railway station NERFINISHED ⓘ |
| notableFor | first major suspension bridge in the world to be widened and strengthened while remaining open to traffic ⓘ |
| opened | 1961 ⓘ |
| owner | Tamar Bridge and Torpoint Ferry Joint Committee NERFINISHED ⓘ |
| parallelStructure | Royal Albert Bridge NERFINISHED ⓘ |
| partOf | strategic road network in South West England ⓘ |
| regionServed |
Plymouth urban area
NERFINISHED
ⓘ
South East Cornwall NERFINISHED ⓘ |
| riverBankLocation |
east bank at Plymouth
ⓘ
west bank at Saltash ⓘ |
| spans | Tamar Valley NERFINISHED ⓘ |
| tollDirection | eastbound only ⓘ |
| trafficDirection | bidirectional ⓘ |
| wideningCompleted | 2001 ⓘ |
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: Tamar Bridge Description of subject: Tamar Bridge is a major suspension bridge in southwest England that carries road traffic between Plymouth in Devon and Saltash in Cornwall across the River Tamar.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tamar Bridge (road bridge)