Wells Street Bridge
E133331
bascule bridge
double-deck bridge
double-leaf bascule bridge
historic bridge
movable bridge
road–rail 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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Wells Street Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T679359 — 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: Wells Street Bridge Context triple: [Chicago River, hasNotableBridge, Wells Street Bridge]
-
A.
Harrison Street bridge
Harrison Street bridge is a roadway bridge spanning Lake Carnegie in Princeton, New Jersey, carrying Harrison Street across the lake and connecting the surrounding communities.
-
B.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
C.
Hawthorne Bridge
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
-
D.
Third Avenue Bridge
The Third Avenue Bridge is a major swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
E.
14th Street Bridge
The 14th Street Bridge is a major bridge complex over the Potomac River in the Washington, D.C. area that carries multiple highway and rail routes between Virginia and the nation’s capital.
- 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: Wells Street Bridge Target entity description: 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.
-
A.
Harrison Street bridge
Harrison Street bridge is a roadway bridge spanning Lake Carnegie in Princeton, New Jersey, carrying Harrison Street across the lake and connecting the surrounding communities.
-
B.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
C.
Hawthorne Bridge
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
-
D.
Third Avenue Bridge
The Third Avenue Bridge is a major swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
E.
14th Street Bridge
The 14th Street Bridge is a major bridge complex over the Potomac River in the Washington, D.C. area that carries multiple highway and rail routes between Virginia and the nation’s capital.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
bascule bridge
ⓘ
double-deck bridge ⓘ double-leaf bascule bridge ⓘ historic bridge ⓘ movable bridge ⓘ road–rail bridge ⓘ |
| architect | E. H. Bennett ⓘ |
| basculeType | trunnion bascule ⓘ |
| carries |
Chicago 'L' trains
ⓘ
Chicago Transit Authority trains ⓘ North–South traffic in downtown Chicago ⓘ Wells Street ⓘ road traffic ⓘ |
| connects |
Chicago Loop
ⓘ
Near North Side ⓘ
surface form:
Near North Side, Chicago
|
| constructionCompleted | 1922 ⓘ |
| crosses |
Chicago River
ⓘ
Chicago River ⓘ
surface form:
Main Branch of the Chicago River
|
| designer |
Chicago Department of Transportation
ⓘ
surface form:
City of Chicago Department of Public Works
|
| engineer | City of Chicago engineers ⓘ |
| hasDeckCount | 2 ⓘ |
| hasHeritageStatus | historic structure in Chicago ⓘ |
| hasLeafCount | 2 ⓘ |
| hasRailTracks | 2 tracks ⓘ |
| hasTrafficLanes | 2 road lanes ⓘ |
| isInDowntown | true ⓘ |
| isMovable | true ⓘ |
| locatedIn |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
Illinois ⓘ United States of America ⓘ
surface form:
United States
|
| lowerDeckCarries |
pedestrian traffic
ⓘ
vehicular traffic ⓘ |
| maintainedBy | Chicago Department of Transportation ⓘ |
| material | steel ⓘ |
| namedAfter | Wells Street ⓘ |
| opened | 1922 ⓘ |
| openingMechanism | bascule ⓘ |
| orientation | north–south ⓘ |
| owner | City of Chicago ⓘ |
| partOf |
Brown Line
ⓘ
surface form:
Chicago 'L' Brown Line route
Purple Line (CTA) ⓘ
surface form:
Chicago 'L' Purple Line (rush hour) route
|
| replaced | earlier swing bridge at Wells Street ⓘ |
| spans | between the Loop and Near North Side ⓘ |
| structureType | truss bridge ⓘ |
| upperDeckCarries |
Chicago "L"
ⓘ
surface form:
Chicago 'L' tracks
|
| usedFor |
automobile traffic
ⓘ
commuter rail transit ⓘ pedestrian crossing ⓘ |
| visibleFrom | Chicago Riverwalk ⓘ |
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: Wells Street Bridge Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.