Canton Viaduct
E643939
Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Canton Viaduct canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T7133030 — 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: Canton Viaduct Context triple: [Canton, Massachusetts, hasHistoricSite, Canton Viaduct]
-
A.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
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B.
Tinsley Viaduct
Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
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C.
Linn Cove Viaduct
Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
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D.
Stacksteads Viaduct
Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
-
E.
Arten Gill Viaduct
Arten Gill Viaduct is a historic stone railway viaduct in Cumbria, England, carrying trains across Arten Gill in the scenic Yorkshire Dales.
- 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: Canton Viaduct Target entity description: Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
-
A.
Lechmere Viaduct
Lechmere Viaduct is a historic concrete arch bridge in Boston that carries MBTA Green Line trains across the Charles River between Boston and Cambridge.
-
B.
Tinsley Viaduct
Tinsley Viaduct is a two-tier steel box-girder road bridge near Sheffield, England, notable for carrying the M1 motorway and local traffic across the Don Valley and adjacent waterways.
-
C.
Linn Cove Viaduct
Linn Cove Viaduct is a renowned, curving concrete bridge that hugs the side of Grandfather Mountain in North Carolina, celebrated for its innovative design that minimized environmental impact along the Blue Ridge Parkway.
-
D.
Stacksteads Viaduct
Stacksteads Viaduct is a historic multi-arch railway viaduct in Stacksteads, Lancashire, England, notable for carrying the former railway line across the River Irwell and the surrounding valley.
-
E.
Arten Gill Viaduct
Arten Gill Viaduct is a historic stone railway viaduct in Cumbria, England, carrying trains across Arten Gill in the scenic Yorkshire Dales.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic civil engineering structure
ⓘ
masonry arch bridge ⓘ railroad viaduct ⓘ stone viaduct ⓘ |
| architect | Alexander Birnie ⓘ |
| builder | Baltimore and Ohio Railroad contractors ⓘ |
| carries |
Northeast Corridor
ⓘ
railroad tracks ⓘ |
| category |
Bridges completed in 1835
ⓘ
Railroad bridges in Massachusetts ⓘ Stone bridges in the United States ⓘ |
| constructionStartDate | 1834 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses |
East Branch Neponset River
ⓘ
linked to:
Neponset River
viaduct valley in Canton ⓘ |
| designatedBy | American Society of Civil Engineers ⓘ |
| engineer |
George Washington Whistler
ⓘ
William Gibbs McNeill ⓘ William H. Swift ⓘ |
| hasFunction | rail transport ⓘ |
| hasHeritageStatus | historic structure ⓘ |
| hasStructure |
granite parapet walls
ⓘ
solid spandrel arches ⓘ |
| height | approximately 70 feet ⓘ |
| heritageDesignation |
Massachusetts Historic Civil Engineering Landmark
ⓘ
linked to:
Local Historic Civil Engineering Landmark
National Historic Civil Engineering Landmark ⓘ |
| inception | 1835 ⓘ |
| length | approximately 615 feet ⓘ |
| locatedIn | Norfolk County, Massachusetts ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| location | Canton, Massachusetts ⓘ |
| maintainedBy | Amtrak ⓘ |
| material | granite ⓘ |
| near | Canton Junction station ⓘ |
| notableFor | being one of the oldest surviving multiple-arch masonry railroad viaducts in the United States ⓘ |
| numberOfArches | 21 ⓘ |
| openingDate | 1835 ⓘ |
| ownedBy | Amtrak ⓘ |
| partOf |
Boston–Providence railroad line
ⓘ
linked to:
Boston and Providence Railroad
|
| railLine |
Northeast Corridor main line
ⓘ
linked to:
Northeast Corridor
|
| state | Massachusetts ⓘ |
| stillInUse | true ⓘ |
| structureType | multiple-arch viaduct ⓘ |
| trackConfiguration | double-track ⓘ |
| usedBy |
Amtrak
ⓘ
MBTA Commuter Rail ⓘ
linked to:
MBTA Commuter Rail network
Massachusetts Bay Transportation Authority ⓘ
linked to:
MBTA
|
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: Canton Viaduct Description of subject: Canton Viaduct is a historic 19th-century stone railroad viaduct in Canton, Massachusetts, notable as one of the oldest surviving multiple-arch masonry viaducts in the United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.