Linn Cove Viaduct
E233002
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Linn Cove Viaduct canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1544506 — 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: Linn Cove Viaduct Context triple: [Blue Ridge Parkway, hasFeature, Linn Cove Viaduct]
-
A.
Newkirk Viaduct
The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
-
B.
Usk Bridge
Usk Bridge is a historic stone arch bridge spanning the River Usk in the town of Usk, Monmouthshire, Wales.
-
C.
Clyde Suspension Bridge
The Clyde Suspension Bridge is a historic 19th-century pedestrian suspension bridge in Glasgow, Scotland, known for its elegant design and role in connecting the city across the River Clyde.
-
D.
Hathaway Bridge
Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
-
E.
Tay Road Bridge
Tay Road Bridge is a long road bridge in eastern Scotland that carries vehicular traffic across the Firth of Tay between Dundee and Fife.
- 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: Linn Cove Viaduct Target entity description: 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.
-
A.
Newkirk Viaduct
The Newkirk Viaduct is a historic 19th-century railroad bridge in Philadelphia that played a key role in early rail travel along the Northeast Corridor.
-
B.
Usk Bridge
Usk Bridge is a historic stone arch bridge spanning the River Usk in the town of Usk, Monmouthshire, Wales.
-
C.
Clyde Suspension Bridge
The Clyde Suspension Bridge is a historic 19th-century pedestrian suspension bridge in Glasgow, Scotland, known for its elegant design and role in connecting the city across the River Clyde.
-
D.
Hathaway Bridge
Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
-
E.
Tay Road Bridge
Tay Road Bridge is a long road bridge in eastern Scotland that carries vehicular traffic across the Firth of Tay between Dundee and Fife.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
concrete bridge ⓘ viaduct ⓘ |
| awarded | civil engineering design awards ⓘ |
| blueRidgeParkwayMilepost | 304.4 ⓘ |
| builder | J. P. Stevens Construction Company ⓘ |
| carries | Blue Ridge Parkway traffic ⓘ |
| constructionMethod |
precast segmental construction
ⓘ
top-down construction ⓘ |
| constructionStartDate | 1979 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | mountain slope of Grandfather Mountain ⓘ |
| curveType | S-curve ⓘ |
| designer | Figg and Muller Engineers ⓘ |
| elevation | approximately 4,100 feet ⓘ |
| engineer | Figg and Muller Engineers ⓘ |
| environmentalImpact | minimized disturbance to fragile mountain ecology ⓘ |
| hasVisitorCenter | Linn Cove Visitor Center ⓘ |
| lanes | 2 ⓘ |
| length |
1,243 feet
ⓘ
379 meters ⓘ |
| locatedIn |
Avery County, North Carolina
ⓘ
Blue Ridge Parkway ⓘ Grandfather Mountain ⓘ North Carolina ⓘ United States of America ⓘ
surface form:
United States
|
| maintainedBy | National Park Service ⓘ |
| material | reinforced concrete ⓘ |
| notableFor |
curving S-shaped alignment
ⓘ
environmentally sensitive construction ⓘ minimal disturbance to Grandfather Mountain ⓘ segmental construction method ⓘ |
| opened | 1987 ⓘ |
| openedToTraffic | September 1987 ⓘ |
| owner | National Park Service ⓘ |
| partOf | Blue Ridge Parkway ⓘ |
| passesNear |
Grandfather Mountain
ⓘ
surface form:
Grandfather Mountain State Park
|
| purpose | to complete the last section of the Blue Ridge Parkway ⓘ |
| region | Blue Ridge Mountains ⓘ |
| roadNumber | Blue Ridge Parkway ⓘ |
| routeNumber |
National Parkways
ⓘ
surface form:
US National Parkway
|
| scenicView | Blue Ridge Mountains ⓘ |
| speedLimit | 45 mph (approximate) ⓘ |
| state | North Carolina ⓘ |
| touristAttraction | yes ⓘ |
| trafficType | scenic recreational traffic ⓘ |
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: Linn Cove Viaduct Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.