Dumbarton Rail Bridge
E1133897
UNEXPLORED
The Dumbarton Rail Bridge is a historic railroad bridge spanning the southern part of San Francisco Bay in California, once used for freight and passenger trains and now largely inactive.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dumbarton Rail Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12761407 — 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: Dumbarton Rail Bridge Context triple: [Dumbarton Bridge (State Route 84), parallelTo, Dumbarton Rail Bridge]
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A.
Calderbank Bridge
Calderbank Bridge is a road bridge spanning the North Calder Water in North Lanarkshire, Scotland, linking the village of Calderbank to surrounding areas.
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B.
Dunbar Toll Bridge
The Dunbar Toll Bridge is a vehicular bridge in West Virginia that provides a key crossing and local connection over the Kanawha River.
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C.
Erskine Bridge
Erskine Bridge is a major cable-stayed road bridge in western Scotland that spans the River Clyde, linking West Dunbartonshire with Renfrewshire.
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D.
Dumbarton Bridge
The Dumbarton Bridge is a major vehicular bridge in the San Francisco Bay Area that provides a key east–west crossing between the Peninsula and the East Bay.
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E.
Ballachulish Bridge
Ballachulish Bridge is a road bridge in the Scottish Highlands that spans Loch Leven, linking the villages of North and South Ballachulish and forming part of the A82 route.
- 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: Dumbarton Rail Bridge Target entity description: The Dumbarton Rail Bridge is a historic railroad bridge spanning the southern part of San Francisco Bay in California, once used for freight and passenger trains and now largely inactive.
-
A.
Calderbank Bridge
Calderbank Bridge is a road bridge spanning the North Calder Water in North Lanarkshire, Scotland, linking the village of Calderbank to surrounding areas.
-
B.
Dunbar Toll Bridge
The Dunbar Toll Bridge is a vehicular bridge in West Virginia that provides a key crossing and local connection over the Kanawha River.
-
C.
Erskine Bridge
Erskine Bridge is a major cable-stayed road bridge in western Scotland that spans the River Clyde, linking West Dunbartonshire with Renfrewshire.
-
D.
Dumbarton Bridge
The Dumbarton Bridge is a major vehicular bridge in the San Francisco Bay Area that provides a key east–west crossing between the Peninsula and the East Bay.
-
E.
Ballachulish Bridge
Ballachulish Bridge is a road bridge in the Scottish Highlands that spans Loch Leven, linking the villages of North and South Ballachulish and forming part of the A82 route.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.