North Bridge
E24188
North Bridge is a historic wooden bridge in Concord, Massachusetts, best known as the site of the opening battle of the American Revolutionary War on April 19, 1775.
All labels observed (3)
| Label | Occurrences |
|---|---|
| North Bridge canonical | 5 |
| North Bridge, Concord | 2 |
| North Bridge in Concord | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T96879 — 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: North Bridge Context triple: [North Bridge monument in Concord, locatedNear, North Bridge]
-
A.
Broadway Bridge
The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River between Manhattan and the Bronx.
-
B.
Riverway
Riverway is a linear park and waterway in Boston that forms part of the Emerald Necklace, offering scenic green space and recreational paths near the Longwood Medical Area.
-
C.
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.
-
D.
Bourne Bridge
The Bourne Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways between mainland Massachusetts and Cape Cod.
-
E.
Tobin Bridge
The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
- 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: North Bridge Target entity description: North Bridge is a historic wooden bridge in Concord, Massachusetts, best known as the site of the opening battle of the American Revolutionary War on April 19, 1775.
-
A.
Broadway Bridge
The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River between Manhattan and the Bronx.
-
B.
Riverway
Riverway is a linear park and waterway in Boston that forms part of the Emerald Necklace, offering scenic green space and recreational paths near the Longwood Medical Area.
-
C.
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.
-
D.
Bourne Bridge
The Bourne Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways between mainland Massachusetts and Cape Cod.
-
E.
Tobin Bridge
The Tobin Bridge is a major steel cantilever bridge in the Boston area that carries U.S. Route 1 over the Mystic River, connecting Boston and Chelsea, Massachusetts.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
historic bridge
ⓘ
tourist attraction ⓘ wooden bridge ⓘ |
| associatedWith |
American independence
ⓘ
Minute Men ⓘ
linked to:
Minutemen
|
| battleOutcome | retreat of British troops to Concord center ⓘ |
| battleSide1 |
Massachusetts militia
ⓘ
linked to:
New England colonial militias
|
| battleSide2 | British regulars ⓘ |
| category |
American Revolutionary War sites
ⓘ
Bridges in Middlesex County, Massachusetts ⓘ Road bridges in Massachusetts ⓘ Tourist attractions in Concord, Massachusetts ⓘ |
| commemoratedBy | Ralph Waldo Emerson’s poem "Concord Hymn" ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Concord River ⓘ |
| dateOfEvent | April 19, 1775 ⓘ |
| governingBody | National Park Service ⓘ |
| hasAccess | pedestrian bridge ⓘ |
| hasHeritageDesignation |
National Historic Landmark (as part of Minute Man National Historical Park)
ⓘ
linked to:
National Historic Landmark
|
| hasMonument |
British Soldiers’ Grave marker
ⓘ
Minute Man statue ⓘ
linked to:
The Minute Man statue
|
| hasReconstruction | 1956 wooden replica ⓘ |
| hasStructure | timber bridge ⓘ |
| hasView | Concord River wetlands ⓘ |
| hasWalkingTrailConnection | Battle Road and related park trails ⓘ |
| heritageDesignationDate | 1966 ⓘ |
| inscriptionLocation | base of the Minute Man statue ⓘ |
| locatedIn |
Concord, Massachusetts
ⓘ
Massachusetts ⓘ Middlesex County, Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| material | wood ⓘ |
| memorialDayUse | site of commemorative ceremonies on Patriots’ Day ⓘ |
| nearbyFeature |
North Bridge Visitor Center
ⓘ
Old Manse ⓘ |
| notableFor |
location of the "shot heard round the world"
ⓘ
site of the first day of fighting in the American Revolutionary War ⓘ |
| openToPublic | yes ⓘ |
| originalConstructionDate | 18th century ⓘ |
| ownedBy | National Park Service ⓘ |
| partOf | Minute Man National Historical Park ⓘ |
| significantEvent |
Battle of Concord
ⓘ
linked to:
Battles of Lexington and Concord
opening phase of the American Revolutionary War ⓘ |
| visitorFacilities |
interpretive signage
ⓘ
nearby parking areas ⓘ ranger-led tours ⓘ |
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: North Bridge Description of subject: North Bridge is a historic wooden bridge in Concord, Massachusetts, best known as the site of the opening battle of the American Revolutionary War on April 19, 1775.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: North Bridge
subject linked to:
The Minute Man statue
linked to: North Bridge
linked to: North Bridge