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.

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All labels observed (4)

Label	Occurrences
Old Bridge, Pontypridd	4
Pontypridd Bridge	2
Pontypridd Old Bridge canonical	2
Pontypridd Bridge is a Grade I listed structure	1

How this entity was disambiguated

This entity first appeared as the object of triple T791777 — 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: Pontypridd Old Bridge
Context triple: [Pontypridd, hasLandmark, Pontypridd Old Bridge]

A. Ha'penny Bridge
Ha'penny Bridge is a historic cast-iron pedestrian bridge over the River Liffey and one of Dublin’s most iconic symbols.
B. Welsh Bridge
Welsh Bridge is a historic stone arch bridge spanning the River Severn in Shrewsbury, Shropshire, England.
C. Swilcan Bridge
Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
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. 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.
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: Pontypridd Old Bridge
Target entity description: Pontypridd Old Bridge is a historic 18th-century stone arch bridge in Pontypridd, Wales, renowned for its once-record-breaking single-span design.

A. Ha'penny Bridge
Ha'penny Bridge is a historic cast-iron pedestrian bridge over the River Liffey and one of Dublin’s most iconic symbols.
B. Welsh Bridge
Welsh Bridge is a historic stone arch bridge spanning the River Severn in Shrewsbury, Shropshire, England.
C. Swilcan Bridge
Swilcan Bridge is a small, historic stone footbridge on the 18th hole of the Old Course at St Andrews, iconic in golf for the traditional photographs of players crossing it.
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. 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.
F. None of above. chosen

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 town centre ⓘ linked to: Pontypridd
designer	William Edwards ⓘ
function	pedestrian bridge ⓘ
hasAlternativeName	Old Bridge, Pontypridd ⓘ linked to: Pontypridd Old Bridge 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 town centre ⓘ linked to: Pontypridd 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

Referenced by (9)

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 → Old Bridge, Pontypridd ⓘ