Runcorn–Widnes Bridge
E375137
The Runcorn–Widnes Bridge is an iconic steel arch road bridge spanning the River Mersey and the Manchester Ship Canal in northwest England, linking the towns of Runcorn and Widnes.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Runcorn Bridge | 2 |
| Runcorn–Widnes Bridge canonical | 2 |
| M6 crossing of Mersey and Ship Canal | 1 |
| Widnes–Runcorn Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3587319 — 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: Runcorn–Widnes Bridge Context triple: [Silver Jubilee Bridge, openedAs, Runcorn–Widnes Bridge]
-
A.
Runcorn Railway Bridge
Runcorn Railway Bridge is a historic steel truss railway bridge in northwest England that carries trains across the River Mersey between Runcorn and Widnes.
-
B.
Arnside Viaduct
Arnside Viaduct is a long railway bridge in Cumbria, England, carrying the Furness Line across the Kent Estuary and forming a prominent feature of the local coastal landscape.
-
C.
Walney Bridge
Walney Bridge is a road bridge in Barrow-in-Furness, Cumbria, that connects the mainland town to Walney Island across the Walney Channel.
-
D.
Warrington Bridge
Warrington Bridge is a historic road bridge spanning the River Mersey in Warrington, England, serving as a key local transport crossing.
-
E.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
- 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: Runcorn–Widnes Bridge Target entity description: The Runcorn–Widnes Bridge is an iconic steel arch road bridge spanning the River Mersey and the Manchester Ship Canal in northwest England, linking the towns of Runcorn and Widnes.
-
A.
Runcorn Railway Bridge
Runcorn Railway Bridge is a historic steel truss railway bridge in northwest England that carries trains across the River Mersey between Runcorn and Widnes.
-
B.
Arnside Viaduct
Arnside Viaduct is a long railway bridge in Cumbria, England, carrying the Furness Line across the Kent Estuary and forming a prominent feature of the local coastal landscape.
-
C.
Walney Bridge
Walney Bridge is a road bridge in Barrow-in-Furness, Cumbria, that connects the mainland town to Walney Island across the Walney Channel.
-
D.
Warrington Bridge
Warrington Bridge is a historic road bridge spanning the River Mersey in Warrington, England, serving as a key local transport crossing.
-
E.
Barmouth Bridge
Barmouth Bridge is a historic wooden viaduct carrying the railway across the Mawddach Estuary near Barmouth in Gwynedd, Wales.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
arch bridge
ⓘ
road bridge ⓘ steel bridge ⓘ |
| builder | Cleveland Bridge & Engineering Company ⓘ |
| carries |
cyclists
ⓘ
pedestrians ⓘ road traffic ⓘ |
| clearanceBelow | 24 m ⓘ |
| connects |
Runcorn
ⓘ
Widnes ⓘ |
| constructionStart | 1956 ⓘ |
| country | United Kingdom ⓘ |
| crosses |
Manchester Ship Canal
ⓘ
River Mersey ⓘ |
| design | through arch bridge ⓘ |
| designer |
Freeman Fox & Partners
ⓘ
Mott, Hay and Anderson ⓘ |
| formerName |
Runcorn Bridge
ⓘ
linked to:
Runcorn–Widnes Bridge
|
| hasCategory |
Bridges across the River Mersey
ⓘ
Bridges completed in 1961 ⓘ Grade II listed bridges in Cheshire ⓘ Road bridges in England ⓘ Through arch bridges in the United Kingdom ⓘ |
| heritageStatus | Grade II listed structure ⓘ |
| length | 482 m ⓘ |
| listingDate | 2015 ⓘ |
| locatedIn |
Borough of Halton
ⓘ
North West England ⓘ |
| mainSpanLength | 330 m ⓘ |
| maintainedBy |
Halton Borough Council
ⓘ
linked to:
Borough of Halton
|
| material | steel ⓘ |
| namedAfter | Silver Jubilee of Elizabeth II ⓘ |
| notableFeature | single steel arch spanning the Mersey estuary ⓘ |
| officialName | Silver Jubilee Bridge NERFINISHED ⓘ |
| opened | 1961 ⓘ |
| openingDate | 1961-07-21 ⓘ |
| parallelTo | Mersey Gateway Bridge ⓘ |
| region |
Cheshire
ⓘ
Merseyside ⓘ |
| renamed | 1977 ⓘ |
| replaced |
Widnes–Runcorn Transporter Bridge
ⓘ
linked to:
Mersey Gateway Bridge
|
| structureType | single-span arch ⓘ |
| tollStatus | toll-free ⓘ |
| tollStatusChange | tolls removed in 1961 ⓘ |
| trafficRole | part of A533 road ⓘ |
| width | 18 m ⓘ |
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: Runcorn–Widnes Bridge Description of subject: The Runcorn–Widnes Bridge is an iconic steel arch road bridge spanning the River Mersey and the Manchester Ship Canal in northwest England, linking the towns of Runcorn and Widnes.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Runcorn–Widnes Bridge
linked to: Runcorn–Widnes Bridge
linked to: Runcorn–Widnes Bridge
linked to: Runcorn–Widnes Bridge