Powder Point Bridge
E887069
Powder Point Bridge is a historic wooden bridge in Duxbury, Massachusetts, known for spanning the bay between the mainland and Duxbury Beach and once being one of the longest wooden bridges in the world.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Powder Point Bridge canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8979990 — 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: Powder Point Bridge Context triple: [Duxbury Beach, connectedBy, Powder Point Bridge]
-
A.
Kedzie Bridge
Kedzie Bridge is a pedestrian bridge on the Michigan State University campus that spans the Red Cedar River and connects key areas of the East Lansing grounds.
-
B.
Garcon Point Bridge
Garcon Point Bridge is a toll bridge in Florida that spans Pensacola Bay, connecting the Garcon Point peninsula with the mainland near Milton and Gulf Breeze.
-
C.
Seabreeze Bridge
Seabreeze Bridge is a roadway bridge in Daytona Beach, Florida, that carries traffic across the Halifax River between the beachside and mainland areas.
-
D.
Winona Bridge
Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
-
E.
Millness Bridge
Millness Bridge is a historic stone bridge spanning the Lancaster Canal in Cumbria, England, serving as a characteristic example of the canal’s 18th–19th century infrastructure.
- 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: Powder Point Bridge Target entity description: Powder Point Bridge is a historic wooden bridge in Duxbury, Massachusetts, known for spanning the bay between the mainland and Duxbury Beach and once being one of the longest wooden bridges in the world.
-
A.
Kedzie Bridge
Kedzie Bridge is a pedestrian bridge on the Michigan State University campus that spans the Red Cedar River and connects key areas of the East Lansing grounds.
-
B.
Garcon Point Bridge
Garcon Point Bridge is a toll bridge in Florida that spans Pensacola Bay, connecting the Garcon Point peninsula with the mainland near Milton and Gulf Breeze.
-
C.
Seabreeze Bridge
Seabreeze Bridge is a roadway bridge in Daytona Beach, Florida, that carries traffic across the Halifax River between the beachside and mainland areas.
-
D.
Winona Bridge
Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
-
E.
Millness Bridge
Millness Bridge is a historic stone bridge spanning the Lancaster Canal in Cumbria, England, serving as a characteristic example of the canal’s 18th–19th century infrastructure.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
historic place
ⓘ
wooden bridge ⓘ |
| connects |
Duxbury Beach
ⓘ
Duxbury mainland ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Duxbury Bay ⓘ |
| hasConstruction | wooden piles and decking ⓘ |
| hasCulturalRole | iconic feature of Duxbury’s waterfront ⓘ |
| hasDesign | wooden trestle ⓘ |
| hasFunction | primary road access to Duxbury Beach ⓘ |
| hasHeritageStatus | listed on the National Register of Historic Places ⓘ |
| hasLocalSignificance | important landmark in Duxbury ⓘ |
| hasNameOrigin | named after Powder Point area of Duxbury ⓘ |
| hasNumberOfSpans | multiple ⓘ |
| hasTraffic | two-way road traffic ⓘ |
| hasViewOf |
Atlantic Ocean
ⓘ
Duxbury Bay ⓘ Duxbury Beach ⓘ |
| isAccessibleBy |
automobile
ⓘ
bicycle ⓘ on foot ⓘ |
| isExposedTo | coastal weather conditions ⓘ |
| isInRegion |
South Shore of Massachusetts
ⓘ
linked to:
South Shore, Massachusetts
|
| isPartOf | transportation infrastructure of Duxbury ⓘ |
| isSubjectOf | local historical documentation ⓘ |
| isTouristAttraction | true ⓘ |
| locatedIn |
Duxbury, Massachusetts
ⓘ
Massachusetts ⓘ Plymouth County, Massachusetts ⓘ
linked to:
Plymouth County
United States ⓘ
linked to:
United States of America
|
| maintainedBy |
Town of Duxbury
ⓘ
linked to:
Duxbury, Massachusetts
|
| material | wood ⓘ |
| notableFor | being one of the longest wooden bridges in the world at the time of its construction ⓘ |
| ownedBy |
Town of Duxbury
ⓘ
linked to:
Duxbury, Massachusetts
|
| requires | regular maintenance due to marine environment ⓘ |
| spans | the bay between Duxbury mainland and Duxbury Beach ⓘ |
| state | Massachusetts ⓘ |
| structureType | pile-supported bridge ⓘ |
| town |
Duxbury
ⓘ
linked to:
Duxbury, Massachusetts
|
| 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: Powder Point Bridge Description of subject: Powder Point Bridge is a historic wooden bridge in Duxbury, Massachusetts, known for spanning the bay between the mainland and Duxbury Beach and once being one of the longest wooden bridges in the world.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.