Cape Cod Canal Railroad Bridge
E7520
The Cape Cod Canal Railroad Bridge is a historic vertical-lift railway bridge in Massachusetts that carries trains across the Cape Cod Canal and is notable for its impressive movable-span engineering.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Cape Cod Canal Railroad Bridge canonical | 8 |
| Cape Cod Canal bridges | 1 |
| Cape Cod Canal railroad bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7455 — 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: Cape Cod Canal Railroad Bridge Context triple: [Cape Cod, connectedBy, Cape Cod Canal Railroad Bridge]
-
A.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
-
B.
Key Bridge
Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
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C.
Tappan Zee Bridge
The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
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D.
Brooklyn Bridge
The Brooklyn Bridge is a historic 19th-century suspension bridge spanning the East River, renowned as an iconic symbol of New York City and a major connection between Manhattan and Brooklyn.
-
E.
George Washington Bridge
The George Washington Bridge is a major double-decked suspension bridge connecting Manhattan in New York City to Fort Lee in New Jersey and serving as a key transportation link in the northeastern United States.
- 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: Cape Cod Canal Railroad Bridge Target entity description: The Cape Cod Canal Railroad Bridge is a historic vertical-lift railway bridge in Massachusetts that carries trains across the Cape Cod Canal and is notable for its impressive movable-span engineering.
-
A.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
-
B.
Key Bridge
Key Bridge is a historic steel-arch bridge spanning the Potomac River, connecting Washington, D.C. to Arlington, Virginia.
-
C.
Tappan Zee Bridge
The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
-
D.
Brooklyn Bridge
The Brooklyn Bridge is a historic 19th-century suspension bridge spanning the East River, renowned as an iconic symbol of New York City and a major connection between Manhattan and Brooklyn.
-
E.
George Washington Bridge
The George Washington Bridge is a major double-decked suspension bridge connecting Manhattan in New York City to Fort Lee in New Jersey and serving as a key transportation link in the northeastern United States.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
movable bridge
ⓘ
railway bridge ⓘ steel bridge ⓘ vertical-lift bridge ⓘ |
| architect | Waddell & Hardesty ⓘ |
| builtBy |
Public Works Administration
ⓘ
linked to:
Public Works Administration (PWA)
|
| carries |
freight trains
ⓘ
passenger excursion trains ⓘ rail traffic ⓘ |
| category |
Bridges completed in 1935
ⓘ
Railway bridges in Massachusetts ⓘ Vertical lift bridges in the United States ⓘ |
| clearanceBelowWhenRaised | 135 feet ⓘ |
| connects |
Cape Cod
ⓘ
mainland Massachusetts ⓘ |
| constructionStart | 1933 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Cape Cod Canal ⓘ |
| designer | J. A. L. Waddell ⓘ |
| function | to allow both rail traffic and marine navigation via movable span ⓘ |
| fundedBy |
United States federal government
ⓘ
linked to:
United States government
|
| hasLiftMechanism | counterweight system ⓘ |
| hasTowers | 2 ⓘ |
| historicalSignificance | one of the longest vertical-lift spans in the world at time of completion ⓘ |
| length | 1347 feet ⓘ |
| locatedIn |
Cape Cod Canal
ⓘ
Massachusetts ⓘ |
| locatedNear |
Bourne, Massachusetts
ⓘ
Buzzards Bay, Massachusetts ⓘ
linked to:
Buzzards Bay
|
| mainSpanLength | 544 feet ⓘ |
| maintainedBy |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| material | steel ⓘ |
| numberOfTracks | 1 ⓘ |
| opened | 1935 ⓘ |
| operatedBy |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| owner |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| parallelTo |
Bourne Bridge
ⓘ
Sagamore Bridge ⓘ |
| partOf | Cape Cod Canal transportation infrastructure ⓘ |
| region | New England ⓘ |
| replaced | earlier swing railroad bridge over Cape Cod Canal ⓘ |
| status | in service ⓘ |
| structureType | truss bridge ⓘ |
| usedBy |
Cape Cod Central Railroad excursion trains
ⓘ
Mass Coastal Railroad ⓘ |
| verticalLiftSpanLength | 544 feet ⓘ |
| waterway | Cape Cod Canal ⓘ |
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: Cape Cod Canal Railroad Bridge Description of subject: The Cape Cod Canal Railroad Bridge is a historic vertical-lift railway bridge in Massachusetts that carries trains across the Cape Cod Canal and is notable for its impressive movable-span engineering.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Cape Cod Canal Railroad Bridge
linked to: Cape Cod Canal Railroad Bridge