Chelsea Street Bridge
E343443
Chelsea Street Bridge is a movable road and rail bridge spanning the Chelsea Creek in Boston, Massachusetts, connecting the neighborhoods of East Boston and Chelsea.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chelsea Street Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3294499 — 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: Chelsea Street Bridge Context triple: [Chelsea Bridge, alsoKnownAs, Chelsea Street Bridge]
-
A.
Spring Garden Street Bridge
Spring Garden Street Bridge is a historic roadway bridge in Philadelphia that carries Spring Garden Street over the Schuylkill River, connecting the city’s Center City area with West Philadelphia.
-
B.
Princes Bridge
Princes Bridge is a historic road and tram bridge in central Melbourne, Australia, linking the city centre with Southbank across the Yarra River.
-
C.
Leaside Bridge
Leaside Bridge is a major road bridge in Toronto, Ontario, carrying traffic over the Don River and connecting the Leaside neighborhood with the rest of the city.
-
D.
Silver Street Bridge
Silver Street Bridge is a road bridge in Cambridge, England, carrying Silver Street over the River Cam near the historic city centre.
-
E.
Westminster Bridge
Westminster Bridge is a historic road and foot traffic bridge in central London that spans the River Thames between Westminster and Lambeth, adjacent to landmarks like the Houses of Parliament and Big Ben.
- 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: Chelsea Street Bridge Target entity description: Chelsea Street Bridge is a movable road and rail bridge spanning the Chelsea Creek in Boston, Massachusetts, connecting the neighborhoods of East Boston and Chelsea.
-
A.
Spring Garden Street Bridge
Spring Garden Street Bridge is a historic roadway bridge in Philadelphia that carries Spring Garden Street over the Schuylkill River, connecting the city’s Center City area with West Philadelphia.
-
B.
Princes Bridge
Princes Bridge is a historic road and tram bridge in central Melbourne, Australia, linking the city centre with Southbank across the Yarra River.
-
C.
Leaside Bridge
Leaside Bridge is a major road bridge in Toronto, Ontario, carrying traffic over the Don River and connecting the Leaside neighborhood with the rest of the city.
-
D.
Silver Street Bridge
Silver Street Bridge is a road bridge in Cambridge, England, carrying Silver Street over the River Cam near the historic city centre.
-
E.
Westminster Bridge
Westminster Bridge is a historic road and foot traffic bridge in central London that spans the River Thames between Westminster and Lambeth, adjacent to landmarks like the Houses of Parliament and Big Ben.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
movable bridge
ⓘ
vertical-lift bridge ⓘ |
| allowsPassageOf | large oil tankers ⓘ |
| builtToImprove |
marine navigation safety
ⓘ
vehicular traffic flow ⓘ |
| carries | road traffic ⓘ |
| connects |
Chelsea, Massachusetts
ⓘ
East Boston ⓘ
linked to:
East Boston, Massachusetts
|
| crosses |
Chelsea Creek
ⓘ
tidal waterway ⓘ |
| designedToProvide | increased vertical clearance for marine traffic ⓘ |
| fundedBy |
Federal Highway Administration
ⓘ
Massachusetts state funds ⓘ |
| hasApproachRoad |
Chelsea Street in Chelsea
ⓘ
Chelsea Street in East Boston ⓘ |
| hasConstructionCost | approximately 125 million US dollars ⓘ |
| hasDeckType | concrete ⓘ |
| hasDesignFeature | counterweighted lift towers ⓘ |
| hasLiftMechanism | wire rope hoist system ⓘ |
| hasLiftSpanLength | approximately 450 feet ⓘ |
| hasNavigationChannelWidth | approximately 250 feet ⓘ |
| hasNumberOfLanes | 4 ⓘ |
| hasNumberOfTowers | 2 ⓘ |
| hasStructureType | steel ⓘ |
| hasTotalLength | approximately 1,200 feet ⓘ |
| hasTrafficRestriction | no hazardous cargo during lifts ⓘ |
| hasTrafficType |
commercial traffic
ⓘ
local traffic ⓘ |
| hasVerticalClearanceWhenClosed | approximately 55 feet ⓘ |
| hasVerticalClearanceWhenRaised | approximately 175 feet ⓘ |
| isAccessibleFrom | Route 1A vicinity ⓘ |
| isInMetropolitanArea | Greater Boston ⓘ |
| isPartOf | regional freight corridor ⓘ |
| locatedIn |
Boston
ⓘ
linked to:
Boston, Massachusetts
Massachusetts ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInWaterwaySystem | Boston Harbor ⓘ |
| maintainedBy | Massachusetts Department of Transportation ⓘ |
| near | Logan International Airport ⓘ |
| opened | 2012 ⓘ |
| openedToTraffic | May 2012 ⓘ |
| ownedBy |
Commonwealth of Massachusetts
ⓘ
linked to:
Massachusetts
|
| partOf | Chelsea Street ⓘ |
| replaced | previous Chelsea Street bascule bridge ⓘ |
| replacedStructureBuiltIn | 1936 ⓘ |
| 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: Chelsea Street Bridge Description of subject: Chelsea Street Bridge is a movable road and rail bridge spanning the Chelsea Creek in Boston, Massachusetts, connecting the neighborhoods of East Boston and Chelsea.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.