Pontypridd Old Bridge

E140182
historic structure road bridge stone arch bridge

Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label Occurrences
Pontypridd Old Bridge canonical 2
Old Bridge, Pontypridd 1

Statements (47)

Predicate Object
instanceOf historic structure ⓘ
road bridge ⓘ
stone arch bridge ⓘ
architect William Edwards ⓘ
completionDate 1756 ⓘ
constructionStartDate 1746 ⓘ
country Wales ⓘ
crosses River Taff ⓘ
crossesThrough Pontypridd ⓘ
surface form: Pontypridd town centre
designer William Edwards ⓘ
function pedestrian bridge ⓘ
hasAlternativeName Pontypridd Old Bridge ⓘ
surface form: Old Bridge, Pontypridd

William Edwards Bridge ⓘ
hasCoordinateSystem WGS84 ⓘ
hasCulturalSignificance symbol of Pontypridd ⓘ
hasEngineeringSignificance early example of long-span masonry arch ⓘ
hasFeature parapet walls ⓘ
steep approaches ⓘ
triangular cutwaters ⓘ
hasStructure high segmental arch ⓘ
hasTourismAttractionType architectural attraction ⓘ
historic landmark ⓘ
heritageDesignation Grade I listed building ⓘ
Scheduled monument ⓘ
heritageDesignationCountry Wales ⓘ
length approximately 140 feet ⓘ
locatedIn Pontypridd ⓘ
Rhondda Cynon Taf ⓘ
United Kingdom ⓘ
Wales ⓘ
locatedNear Pontypridd ⓘ
surface form: Pontypridd town centre

Victoria Bridge, Pontypridd ⓘ
mainSpan approximately 140 feet ⓘ
materialUsed stone ⓘ
namedAfter Pontypridd ⓘ
notableFor narrow roadway ⓘ
record-breaking single-span design at time of construction ⓘ
numberOfSpans 1 ⓘ
opened 1756 ⓘ
originalFunction road traffic bridge ⓘ
ownedBy local authority of Rhondda Cynon Taf ⓘ
partOf Pontypridd town heritage ⓘ
transport history of Wales ⓘ
replacedBy Victoria Bridge, Pontypridd ⓘ
spanType single-span arch ⓘ
usedFor pedestrian traffic ⓘ
width approximately 11 feet ⓘ

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: Pontypridd Old Bridge
Description of subject: Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Pontypridd → hasLandmark → Pontypridd Old Bridge ⓘ
River Taff → hasBridge → Pontypridd Old Bridge ⓘ
Pontypridd Old Bridge → hasAlternativeName → Pontypridd Old Bridge ⓘ
this entity surface form: Old Bridge, Pontypridd