A55 Conwy road bridge
E902242
The A55 Conwy road bridge is a major modern road bridge in North Wales that carries the A55 expressway across the Conwy estuary, easing traffic flow along the North Wales coast.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A55 Conwy road bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10895961 — 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: A55 Conwy road bridge Context triple: [Conwy estuary, crossedBy, A55 Conwy road bridge]
-
A.
Conwy Suspension Bridge
Conwy Suspension Bridge is a historic 19th-century suspension bridge in Conwy, Wales, notable for its picturesque setting beside Conwy Castle and its early iron-chain engineering.
-
B.
Llanelltyd Bridge
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
-
C.
Pontypridd Old Bridge
Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.
-
D.
Pontardawe Bridge
Pontardawe Bridge is a historic stone arch bridge in Pontardawe, Wales, known for carrying traffic over the River Tawe and serving as a notable local landmark.
-
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: A55 Conwy road bridge Target entity description: The A55 Conwy road bridge is a major modern road bridge in North Wales that carries the A55 expressway across the Conwy estuary, easing traffic flow along the North Wales coast.
-
A.
Conwy Suspension Bridge
Conwy Suspension Bridge is a historic 19th-century suspension bridge in Conwy, Wales, notable for its picturesque setting beside Conwy Castle and its early iron-chain engineering.
-
B.
Llanelltyd Bridge
Llanelltyd Bridge is a historic stone arch bridge in Gwynedd, Wales, carrying the A496 road across the River Mawddach near the village of Llanelltyd.
-
C.
Pontypridd Old Bridge
Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.
-
D.
Pontardawe Bridge
Pontardawe Bridge is a historic stone arch bridge in Pontardawe, Wales, known for carrying traffic over the River Tawe and serving as a notable local landmark.
-
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 (47)
| Predicate | Object |
|---|---|
| instanceOf |
box girder bridge
ⓘ
concrete bridge ⓘ highway bridge ⓘ road bridge ⓘ |
| carries |
A55 road
NERFINISHED
ⓘ
North Wales Expressway NERFINISHED ⓘ |
| connects |
Conwy
NERFINISHED
ⓘ
Llandudno Junction NERFINISHED ⓘ |
| constructionStart | late 1980s ⓘ |
| country |
United Kingdom
ⓘ
Wales ⓘ |
| crosses |
Conwy estuary
NERFINISHED
ⓘ
River Conwy estuary NERFINISHED ⓘ |
| design | concrete box girder ⓘ |
| function |
road transport
ⓘ
vehicular traffic ⓘ |
| hasAccessRestriction | motor vehicles only ⓘ |
| hasLanes | 4 ⓘ |
| hasToll | no ⓘ |
| impact |
improved traffic flow along the A55 corridor
ⓘ
reduced congestion in Conwy town ⓘ |
| locatedIn |
Conwy
NERFINISHED
ⓘ
Conwy County Borough NERFINISHED ⓘ North Wales NERFINISHED ⓘ United Kingdom ⓘ Wales ⓘ |
| locatedOnWaterbody | River Conwy NERFINISHED ⓘ |
| maintainedBy | Welsh Government NERFINISHED ⓘ |
| material | reinforced concrete ⓘ |
| near |
Conwy Castle
NERFINISHED
ⓘ
Conwy town NERFINISHED ⓘ |
| opened | 1991 ⓘ |
| ownedBy | Welsh Government NERFINISHED ⓘ |
| parallelStructure |
Conwy Railway Bridge
NERFINISHED
ⓘ
Conwy Suspension Bridge NERFINISHED ⓘ |
| partOf |
A55 North Wales coast route
NERFINISHED
ⓘ
North Wales Expressway NERFINISHED ⓘ |
| partOfCorridor | route between Chester and Holyhead ⓘ |
| partOfNetwork | Trans-European Transport Network (TEN-T) NERFINISHED ⓘ |
| purpose |
to carry the A55 across the Conwy estuary
ⓘ
to ease traffic flow along the North Wales coast ⓘ |
| regionServed | North Wales coast ⓘ |
| replaced | older road crossing of the Conwy estuary ⓘ |
| roadTypeCarried | dual carriageway ⓘ |
| separatesFrom | local road network in Conwy town centre ⓘ |
| usedFor |
local traffic between Conwy and Llandudno Junction
ⓘ
long-distance traffic between England and North Wales ⓘ |
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: A55 Conwy road bridge Description of subject: The A55 Conwy road bridge is a major modern road bridge in North Wales that carries the A55 expressway across the Conwy estuary, easing traffic flow along the North Wales coast.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.