Pont de Saint-Nazaire
E80540
Pont de Saint-Nazaire is a large cable-stayed road bridge in western France that spans the Loire estuary, linking the city of Saint-Nazaire with the south bank near Saint-Brevin-les-Pins.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Pont de Saint-Nazaire canonical | 4 |
| Saint-Nazaire Bridge | 3 |
| Saint-Nazaire bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T484670 — 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: Pont de Saint-Nazaire Context triple: [Loire, hasBridge, Pont de Saint-Nazaire]
-
A.
Pont des Arts
The Pont des Arts is a historic pedestrian bridge in central Paris that links the Institut de France with the Louvre and is famed for its scenic views over the Seine.
-
B.
Pont Neuf
Pont Neuf is the oldest standing bridge in Paris, renowned for its historic stone arches and its role linking the Île de la Cité with both banks of the city.
-
C.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
-
D.
Pont de l’Alma
Pont de l’Alma is a notable road bridge in Paris, France, best known for its location near the site of Princess Diana’s fatal 1997 car crash and for its iconic Zouave statue used as an informal flood gauge.
-
E.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
- 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: Pont de Saint-Nazaire Target entity description: Pont de Saint-Nazaire is a large cable-stayed road bridge in western France that spans the Loire estuary, linking the city of Saint-Nazaire with the south bank near Saint-Brevin-les-Pins.
-
A.
Pont des Arts
The Pont des Arts is a historic pedestrian bridge in central Paris that links the Institut de France with the Louvre and is famed for its scenic views over the Seine.
-
B.
Pont Neuf
Pont Neuf is the oldest standing bridge in Paris, renowned for its historic stone arches and its role linking the Île de la Cité with both banks of the city.
-
C.
Pont du Mont-Blanc
Pont du Mont-Blanc is a major bridge in Geneva, Switzerland, spanning the Rhône at the outlet of Lake Geneva and serving as a central traffic artery with views of the city’s famous lakeside landmarks.
-
D.
Pont de l’Alma
Pont de l’Alma is a notable road bridge in Paris, France, best known for its location near the site of Princess Diana’s fatal 1997 car crash and for its iconic Zouave statue used as an informal flood gauge.
-
E.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bridge in France
ⓘ
cable-stayed bridge ⓘ road bridge ⓘ |
| clearanceBelow | about 61 m ⓘ |
| connects |
Saint-Brevin-les-Pins
ⓘ
Saint-Nazaire ⓘ |
| constructionStart | 1971 ⓘ |
| country | France ⓘ |
| crosses |
Loire
ⓘ
Loire estuary ⓘ |
| design | cable-stayed ⓘ |
| function | road transport ⓘ |
| hasCyclePath | yes ⓘ |
| hasDeckType | box girder ⓘ |
| hasPylonHeight | about 61 m ⓘ |
| hasSidewalk | yes ⓘ |
| hasTraffic |
regional traffic
ⓘ
tourist traffic ⓘ |
| length | about 3356 m ⓘ |
| locatedIn |
Loire-Atlantique
ⓘ
Saint-Brevin-les-Pins ⓘ Saint-Nazaire ⓘ western France ⓘ
linked to:
Western France
|
| locatedNear |
Atlantic Ocean
ⓘ
Saint-Nazaire port ⓘ
linked to:
Saint-Nazaire
|
| locatedOn |
Loire estuary left bank
ⓘ
Loire estuary right bank ⓘ |
| mainSpanLength | about 404 m ⓘ |
| maintainedBy |
Loire-Atlantique departmental council
ⓘ
linked to:
Loire-Atlantique
|
| material |
concrete
ⓘ
steel ⓘ |
| namedAfter | Saint-Nazaire ⓘ |
| notableFor |
being one of the longest bridges in France
ⓘ
spanning the Loire estuary ⓘ |
| numberOfLanes | 4 ⓘ |
| officialLanguage | French ⓘ |
| opened | 1975 ⓘ |
| partOf | D213 road ⓘ |
| previouslyToll | yes ⓘ |
| region | Pays de la Loire ⓘ |
| roadType | dual carriageway ⓘ |
| structureType | viaduct and cable-stayed spans ⓘ |
| tollAbolished | 1994 ⓘ |
| tollStatus | toll-free ⓘ |
| trafficDirection | bidirectional ⓘ |
| use |
bicycle traffic
ⓘ
motor vehicle traffic ⓘ pedestrian traffic ⓘ |
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: Pont de Saint-Nazaire Description of subject: Pont de Saint-Nazaire is a large cable-stayed road bridge in western France that spans the Loire estuary, linking the city of Saint-Nazaire with the south bank near Saint-Brevin-les-Pins.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pont de Saint-Nazaire
linked to: Pont de Saint-Nazaire
linked to: Pont de Saint-Nazaire
linked to: Pont de Saint-Nazaire