Tyngsborough Bridge
E527005
Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tyngsborough Bridge canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4487873 — 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: Tyngsborough Bridge Context triple: [Tyngsborough, Massachusetts, hasHistoricStructure, Tyngsborough Bridge]
-
A.
Bridgewater Bridge
Bridgewater Bridge is a major road and rail swing bridge in Tasmania, Australia, spanning the Derwent River and serving as a key transport link north of Hobart.
-
B.
Brooks Bridge
Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
-
C.
Telford Bridge
Telford Bridge is a historic stone road bridge in Dunkeld, Scotland, designed by the renowned civil engineer Thomas Telford in the early 19th century.
-
D.
Abingdon Bridge
Abingdon Bridge is a historic stone road bridge over the River Thames in Abingdon, Oxfordshire, England.
-
E.
Morrison Bridge
The Morrison Bridge is a bascule bridge spanning the Willamette River in downtown Portland, Oregon, carrying both vehicle and pedestrian traffic.
- 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: Tyngsborough Bridge Target entity description: Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
-
A.
Bridgewater Bridge
Bridgewater Bridge is a major road and rail swing bridge in Tasmania, Australia, spanning the Derwent River and serving as a key transport link north of Hobart.
-
B.
Brooks Bridge
Brooks Bridge is a highway bridge in Fort Walton Beach, Florida, that carries U.S. Route 98 over the Santa Rosa Sound, connecting the mainland to Okaloosa Island.
-
C.
Telford Bridge
Telford Bridge is a historic stone road bridge in Dunkeld, Scotland, designed by the renowned civil engineer Thomas Telford in the early 19th century.
-
D.
Abingdon Bridge
Abingdon Bridge is a historic stone road bridge over the River Thames in Abingdon, Oxfordshire, England.
-
E.
Morrison Bridge
The Morrison Bridge is a bascule bridge spanning the Willamette River in downtown Portland, Oregon, carrying both vehicle and pedestrian traffic.
- F. None of above. chosen
Statements (22)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
tied-arch bridge ⓘ |
| color | green ⓘ |
| connects | two sides of Tyngsborough, Massachusetts ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Merrimack River NERFINISHED ⓘ |
| design | tied-arch ⓘ |
| hasPart |
roadway deck
ⓘ
steel arch ⓘ |
| hasType |
arch bridge
ⓘ
highway bridge ⓘ |
| heritageStatus | historic structure ⓘ |
| locatedIn |
Massachusetts
ⓘ
Middlesex County, Massachusetts ⓘ Tyngsborough, Massachusetts NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| material | steel ⓘ |
| notableFor | distinctive green arch design ⓘ |
| region | New England NERFINISHED ⓘ |
| spans | Merrimack River NERFINISHED ⓘ |
| usedFor |
pedestrian traffic
ⓘ
vehicular 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: Tyngsborough Bridge Description of subject: Tyngsborough Bridge is a historic steel tied-arch bridge spanning the Merrimack River in Tyngsborough, Massachusetts, known for its distinctive green arch design.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.