Calhoun Street Bridge
E849088
The Calhoun Street Bridge is a historic steel truss bridge spanning the Delaware River, connecting Trenton, New Jersey, with Morrisville, Pennsylvania.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Calhoun Street Bridge canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8020510 — 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: Calhoun Street Bridge Context triple: [Morrisville, Pennsylvania, hasNearbyHistoricSite, Calhoun Street Bridge]
-
A.
Wells Street Bridge
Wells Street Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago that carries both road traffic and elevated trains across the Chicago River.
-
B.
Van Buren Street Bridge
The Van Buren Street Bridge is a historic movable bridge in Corvallis, Oregon, carrying traffic across the Willamette River near the Oregon State University campus.
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C.
Monroe Street Bridge
Monroe Street Bridge is a historic concrete arch bridge spanning the Spokane River in downtown Spokane, Washington, known for its distinctive architecture and scenic views.
-
D.
Lafayette Avenue Bridge
The Lafayette Avenue Bridge is a bascule drawbridge in Bay City, Michigan, that carries Lafayette Avenue across the Saginaw River and serves as a key local transportation link.
-
E.
Grand Street Bridge
The Grand Street Bridge is a small movable bridge in New York City that carries Grand Street across Newtown Creek between Brooklyn and Queens.
- 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: Calhoun Street Bridge Target entity description: The Calhoun Street Bridge is a historic steel truss bridge spanning the Delaware River, connecting Trenton, New Jersey, with Morrisville, Pennsylvania.
-
A.
Wells Street Bridge
Wells Street Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago that carries both road traffic and elevated trains across the Chicago River.
-
B.
Van Buren Street Bridge
The Van Buren Street Bridge is a historic movable bridge in Corvallis, Oregon, carrying traffic across the Willamette River near the Oregon State University campus.
-
C.
Monroe Street Bridge
Monroe Street Bridge is a historic concrete arch bridge spanning the Spokane River in downtown Spokane, Washington, known for its distinctive architecture and scenic views.
-
D.
Lafayette Avenue Bridge
The Lafayette Avenue Bridge is a bascule drawbridge in Bay City, Michigan, that carries Lafayette Avenue across the Saginaw River and serves as a key local transportation link.
-
E.
Grand Street Bridge
The Grand Street Bridge is a small movable bridge in New York City that carries Grand Street across Newtown Creek between Brooklyn and Queens.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
steel truss bridge ⓘ |
| carries |
motor vehicles
ⓘ
pedestrians ⓘ road traffic ⓘ |
| connects |
Morrisville, Pennsylvania
ⓘ
Trenton, New Jersey ⓘ |
| crosses | Delaware River ⓘ |
| crossesBetween | Mercer County, New Jersey and Bucks County, Pennsylvania ⓘ |
| crossesBorderBetween |
New Jersey and Pennsylvania
ⓘ
linked to:
Pennsylvania and New Jersey
|
| function | local traffic connector between Trenton and Morrisville ⓘ |
| hasApproachRoad | Calhoun Street ⓘ |
| hasDeck | steel grid deck ⓘ |
| hasDesign | steel through truss ⓘ |
| hasHistoricSignificance | one of the older highway bridges over the Delaware River ⓘ |
| hasLanes | 2 ⓘ |
| hasLength |
approximately 1,274 feet
ⓘ
approximately 388 meters ⓘ |
| hasLighting | roadway lighting ⓘ |
| hasLoadLimit | 3 tons ⓘ |
| hasSpeedLimit | 15 miles per hour ⓘ |
| hasSubstructure | masonry piers ⓘ |
| hasSuperstructure | multiple-span steel truss ⓘ |
| hasToll | no ⓘ |
| hasWidth |
approximately 19 feet
ⓘ
approximately 5.8 meters ⓘ |
| locatedIn |
Bucks County, Pennsylvania
ⓘ
Mercer County, New Jersey ⓘ Morrisville, Pennsylvania ⓘ Trenton, New Jersey ⓘ United States ⓘ
linked to:
United States of America
|
| locatedNear |
downtown Morrisville
ⓘ
linked to:
Morrisville, Pennsylvania
downtown Trenton ⓘ |
| maintainedBy | Delaware River Joint Toll Bridge Commission ⓘ |
| material | steel ⓘ |
| opened | 1884 ⓘ |
| owner | Delaware River Joint Toll Bridge Commission ⓘ |
| parallelTo | Lower Trenton Bridge ⓘ |
| partOf |
Delaware River crossing network
ⓘ
linked to:
Delaware River bridge system
|
| regionServed | Trenton metropolitan area ⓘ |
| riverMile | near Trenton riverfront ⓘ |
| structureType | through truss ⓘ |
| trafficRestriction |
trucks prohibited
ⓘ
weight-restricted vehicles prohibited ⓘ |
| usedFor |
commuter traffic
ⓘ
pedestrian crossings ⓘ |
| yearCompleted | 1884 ⓘ |
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: Calhoun Street Bridge Description of subject: The Calhoun Street Bridge is a historic steel truss bridge spanning the Delaware River, connecting Trenton, New Jersey, with Morrisville, Pennsylvania.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.