Long Bridge (1809 wooden bridge)
E187436
Long Bridge (1809 wooden bridge) was an early 19th-century wooden span across the Potomac River at Washington, D.C., serving as a key transportation and military crossing before later bridges replaced it.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Long Bridge (1809 wooden bridge) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1663505 — 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: Long Bridge (1809 wooden bridge) Context triple: [Long Bridge, hasHistoricalPrecursor, Long Bridge (1809 wooden bridge)]
-
A.
Bow Bridge
Bow Bridge is an iconic cast-iron pedestrian bridge in New York City's Central Park, renowned for its elegant design and scenic views over the park's lakes and landscapes.
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B.
Commodore Barry Bridge
The Commodore Barry Bridge is a long steel cantilever bridge in the northeastern United States that carries vehicular traffic between Pennsylvania and New Jersey.
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C.
Palace Bridge
Palace Bridge is a historic bascule bridge in Saint Petersburg, Russia, renowned for its nightly raising and its central role linking the city’s main islands near the Winter Palace.
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D.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
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E.
Trinity Bridge
Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
- 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: Long Bridge (1809 wooden bridge) Target entity description: Long Bridge (1809 wooden bridge) was an early 19th-century wooden span across the Potomac River at Washington, D.C., serving as a key transportation and military crossing before later bridges replaced it.
-
A.
Bow Bridge
Bow Bridge is an iconic cast-iron pedestrian bridge in New York City's Central Park, renowned for its elegant design and scenic views over the park's lakes and landscapes.
-
B.
Commodore Barry Bridge
The Commodore Barry Bridge is a long steel cantilever bridge in the northeastern United States that carries vehicular traffic between Pennsylvania and New Jersey.
-
C.
Palace Bridge
Palace Bridge is a historic bascule bridge in Saint Petersburg, Russia, renowned for its nightly raising and its central role linking the city’s main islands near the Winter Palace.
-
D.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
-
E.
Trinity Bridge
Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
bridge over the Potomac River
ⓘ
road bridge ⓘ wooden bridge ⓘ |
| alsoKnownAs | Long Bridge ⓘ |
| category |
Bridges in Washington, D.C.
ⓘ
Bridges over the Potomac River ⓘ Wooden bridges in the United States ⓘ |
| condition | subject to damage from floods and ice ⓘ |
| connects |
Virginia
ⓘ
Washington, D.C. ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Potomac River ⓘ |
| followedBy | later Long Bridge structures ⓘ |
| function | highway bridge ⓘ |
| historicalPeriod | early 19th century ⓘ |
| importanceTo | development of Washington, D.C. ⓘ |
| locatedIn | Washington, D.C. ⓘ |
| maintenance | frequently repaired ⓘ |
| material | wood ⓘ |
| opened | 1809 ⓘ |
| owner | federal authorities ⓘ |
| partOf | transportation infrastructure of Washington, D.C. ⓘ |
| precededBy | no permanent bridge at that Potomac crossing ⓘ |
| replaced | earlier Potomac River ferry services ⓘ |
| significance |
important military crossing
ⓘ
key transportation crossing into Washington, D.C. ⓘ |
| strategicRole | movement of troops and supplies ⓘ |
| structureType | timber trestle bridge ⓘ |
| usedBy | Union Army ⓘ |
| usedDuring | American Civil War ⓘ |
| 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: Long Bridge (1809 wooden bridge) Description of subject: Long Bridge (1809 wooden bridge) was an early 19th-century wooden span across the Potomac River at Washington, D.C., serving as a key transportation and military crossing before later bridges replaced it.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.