Portland Bridge Company
E1266971
UNEXPLORED
Portland Bridge Company was an American engineering and construction firm known for designing and building steel bridges in the Pacific Northwest.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portland Bridge Company canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17403127 — 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: Portland Bridge Company Context triple: [Rogue River Bridge, hasBuilder, Portland Bridge Company]
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A.
Phoenix Bridge Company
Phoenix Bridge Company was an American bridge engineering and construction firm known for designing and building major steel truss bridges in the late 19th and early 20th centuries.
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B.
Eli Bridge Company
Eli Bridge Company is an American manufacturer best known for producing amusement rides such as Ferris wheels and other portable carnival attractions.
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C.
St. Lawrence Bridge Company
St. Lawrence Bridge Company was a Canadian engineering and construction firm known for its role in designing and building major steel railway bridges in Quebec, including the ill-fated Quebec Bridge.
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D.
Cleveland Bridge & Engineering Company
Cleveland Bridge & Engineering Company was a prominent British civil engineering and steel construction firm renowned for designing and building major bridges and large-scale infrastructure projects worldwide.
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E.
Charles River Bridge Company
Charles River Bridge Company was a private corporation chartered in the late 18th century to operate a toll bridge over the Charles River in Massachusetts and became central to a landmark U.S. Supreme Court case on corporate charters and public interest.
- 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: Portland Bridge Company Target entity description: Portland Bridge Company was an American engineering and construction firm known for designing and building steel bridges in the Pacific Northwest.
-
A.
Phoenix Bridge Company
Phoenix Bridge Company was an American bridge engineering and construction firm known for designing and building major steel truss bridges in the late 19th and early 20th centuries.
-
B.
Eli Bridge Company
Eli Bridge Company is an American manufacturer best known for producing amusement rides such as Ferris wheels and other portable carnival attractions.
-
C.
St. Lawrence Bridge Company
St. Lawrence Bridge Company was a Canadian engineering and construction firm known for its role in designing and building major steel railway bridges in Quebec, including the ill-fated Quebec Bridge.
-
D.
Cleveland Bridge & Engineering Company
Cleveland Bridge & Engineering Company was a prominent British civil engineering and steel construction firm renowned for designing and building major bridges and large-scale infrastructure projects worldwide.
-
E.
Charles River Bridge Company
Charles River Bridge Company was a private corporation chartered in the late 18th century to operate a toll bridge over the Charles River in Massachusetts and became central to a landmark U.S. Supreme Court case on corporate charters and public interest.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Rogue River bridge