Poughkeepsie Railroad Bridge
E112880
The Poughkeepsie Railroad Bridge is a historic steel cantilever bridge over the Hudson River, now a popular pedestrian walkway and scenic landmark in Poughkeepsie, New York.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Poughkeepsie Bridge | 2 |
| Poughkeepsie-Highland Railroad Bridge | 2 |
| Hudson River rail crossing | 1 |
| Poughkeepsie Railroad Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T573789 — 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: Poughkeepsie Railroad Bridge Context triple: [Poughkeepsie, New York, hasLandmark, Poughkeepsie Railroad Bridge]
-
A.
Albany–Rensselaer rail bridge
The Albany–Rensselaer rail bridge is a major railroad bridge in New York State that carries rail traffic between Albany and Rensselaer across the Hudson River.
-
B.
Bear Mountain Bridge
Bear Mountain Bridge is a steel suspension bridge in New York that carries U.S. Route 6 and U.S. Route 202 across the Hudson River near Bear Mountain State Park.
-
C.
Niagara Falls Suspension Bridge
The Niagara Falls Suspension Bridge was a pioneering 19th-century railway and road suspension bridge spanning the Niagara River near the falls, notable as one of the earliest major works of engineer John A. Roebling.
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D.
Mid-Hudson Bridge
The Mid-Hudson Bridge is a suspension bridge spanning the Hudson River in New York, connecting Poughkeepsie to Highland and carrying vehicular and pedestrian traffic.
-
E.
Newburgh–Beacon Bridge
The Newburgh–Beacon Bridge is a pair of toll bridges carrying Interstate 84 across the Hudson River between Newburgh and Beacon in New York State.
- 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: Poughkeepsie Railroad Bridge Target entity description: The Poughkeepsie Railroad Bridge is a historic steel cantilever bridge over the Hudson River, now a popular pedestrian walkway and scenic landmark in Poughkeepsie, New York.
-
A.
Albany–Rensselaer rail bridge
The Albany–Rensselaer rail bridge is a major railroad bridge in New York State that carries rail traffic between Albany and Rensselaer across the Hudson River.
-
B.
Bear Mountain Bridge
Bear Mountain Bridge is a steel suspension bridge in New York that carries U.S. Route 6 and U.S. Route 202 across the Hudson River near Bear Mountain State Park.
-
C.
Niagara Falls Suspension Bridge
The Niagara Falls Suspension Bridge was a pioneering 19th-century railway and road suspension bridge spanning the Niagara River near the falls, notable as one of the earliest major works of engineer John A. Roebling.
-
D.
Mid-Hudson Bridge
The Mid-Hudson Bridge is a suspension bridge spanning the Hudson River in New York, connecting Poughkeepsie to Highland and carrying vehicular and pedestrian traffic.
-
E.
Newburgh–Beacon Bridge
The Newburgh–Beacon Bridge is a pair of toll bridges carrying Interstate 84 across the Hudson River between Newburgh and Beacon in New York State.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
cantilever bridge
ⓘ
historic structure ⓘ pedestrian bridge ⓘ railway bridge ⓘ steel bridge ⓘ |
| addedTo | National Register of Historic Places ⓘ |
| alsoKnownAs |
Poughkeepsie Railroad Bridge
ⓘ
surface form:
Poughkeepsie Bridge
Poughkeepsie Railroad Bridge ⓘ
surface form:
Poughkeepsie-Highland Railroad Bridge
Walkway Over the Hudson ⓘ |
| cityServed |
Poughkeepsie, New York
ⓘ
surface form:
Poughkeepsie
|
| constructionStart | 1886 ⓘ |
| country | United States of America ⓘ |
| crosses | Hudson River ⓘ |
| crossesAt | between Poughkeepsie and Highland ⓘ |
| design | cantilever ⓘ |
| function |
pedestrian walkway
ⓘ
scenic overlook ⓘ |
| hasFeature |
cantilevered main spans
ⓘ
multiple steel truss spans ⓘ |
| height |
about 65 meters above water
ⓘ
approximately 212 feet above water ⓘ |
| heritageDesignation | National Historic Civil Engineering Landmark ⓘ |
| laterOwner |
Conrail
ⓘ
New York, New Haven and Hartford Railroad ⓘ Penn Central Transportation Company ⓘ |
| length |
about 2,063 meters
ⓘ
approximately 6,768 feet ⓘ |
| locatedIn |
Dutchess County
ⓘ
surface form:
Dutchess County, New York
Highland, New York ⓘ Poughkeepsie, New York ⓘ Ulster County ⓘ
surface form:
Ulster County, New York
|
| material | steel ⓘ |
| notableFor |
being one of the longest elevated pedestrian bridges in the world
ⓘ
historic Hudson River crossing ⓘ |
| opened | 1889 ⓘ |
| originalOwner | Poughkeepsie Bridge Company ⓘ |
| originalUse | railroad traffic ⓘ |
| owner | New York State Office of Parks, Recreation and Historic Preservation ⓘ |
| partOf |
Walkway Over the Hudson
ⓘ
surface form:
Walkway Over the Hudson State Historic Park
|
| railLineCarried |
Poughkeepsie Railroad Bridge
self-linksurface differs
ⓘ
surface form:
Hudson River rail crossing
Pennsylvania Railroad Lines East ⓘ
surface form:
New Haven–Pennsylvania Railroad freight route
|
| region | Hudson Valley ⓘ |
| reopenedAsWalkway | 2009 ⓘ |
| status |
converted to pedestrian walkway
ⓘ
rail service discontinued ⓘ |
| usedFor |
recreation
ⓘ
tourism ⓘ walking and cycling ⓘ |
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: Poughkeepsie Railroad Bridge Description of subject: The Poughkeepsie Railroad Bridge is a historic steel cantilever bridge over the Hudson River, now a popular pedestrian walkway and scenic landmark in Poughkeepsie, New York.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Poughkeepsie Bridge
this entity surface form:
Poughkeepsie-Highland Railroad Bridge
this entity surface form:
Poughkeepsie Bridge
this entity surface form:
Poughkeepsie-Highland Railroad Bridge
Poughkeepsie Railroad Bridge
→
railLineCarried
→
Poughkeepsie Railroad Bridge
self-linksurface differs
ⓘ
this entity surface form:
Hudson River rail crossing