South Halsted Street Bridge
E774979
The South Halsted Street Bridge is a historically significant movable bridge in Chicago, Illinois, recognized as an important example of early 20th-century bridge engineering.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Halsted Street Bridge | 1 |
| South Halsted Street Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7711114 — 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: South Halsted Street Bridge Context triple: [J. A. L. Waddell, notableWork, South Halsted Street Bridge]
-
A.
LaSalle Street Bridge
The LaSalle Street Bridge is a historic double-leaf bascule bridge in downtown Chicago, carrying LaSalle Street over the Chicago River and serving as an iconic part of the city's riverfront architecture.
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B.
DuSable Bridge
DuSable Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago, renowned as a key landmark connecting Michigan Avenue across the Chicago River.
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C.
Montlake Bridge
Montlake Bridge is a historic double-leaf bascule drawbridge in Seattle, Washington, carrying traffic across the Lake Washington Ship Canal between the University District and the Montlake neighborhood.
-
D.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
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E.
Lake Street Bridge
Lake Street Bridge is a movable bascule bridge spanning the Chicago River in downtown Chicago, Illinois.
- 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: South Halsted Street Bridge Target entity description: The South Halsted Street Bridge is a historically significant movable bridge in Chicago, Illinois, recognized as an important example of early 20th-century bridge engineering.
-
A.
LaSalle Street Bridge
The LaSalle Street Bridge is a historic double-leaf bascule bridge in downtown Chicago, carrying LaSalle Street over the Chicago River and serving as an iconic part of the city's riverfront architecture.
-
B.
DuSable Bridge
DuSable Bridge is a historic double-deck, double-leaf bascule bridge in downtown Chicago, renowned as a key landmark connecting Michigan Avenue across the Chicago River.
-
C.
Montlake Bridge
Montlake Bridge is a historic double-leaf bascule drawbridge in Seattle, Washington, carrying traffic across the Lake Washington Ship Canal between the University District and the Montlake neighborhood.
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D.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
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E.
Lake Street Bridge
Lake Street Bridge is a movable bascule bridge spanning the Chicago River in downtown Chicago, Illinois.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
movable bridge
ⓘ
road bridge ⓘ steel bridge ⓘ |
| carries | South Halsted Street ⓘ |
| category |
Bridges in Chicago
ⓘ
Movable bridges in Illinois ⓘ Road bridges in Illinois ⓘ |
| crosses |
Chicago River
ⓘ
South Branch Chicago River ⓘ
linked to:
Chicago River
|
| era | early 20th century ⓘ |
| hasFunction | allows river navigation by lifting or opening ⓘ |
| hasPart |
counterweights
ⓘ
movable span ⓘ operator house ⓘ roadway deck ⓘ trusses ⓘ |
| heritageDesignation | historically significant structure ⓘ |
| locatedIn |
Chicago, Illinois
ⓘ
linked to:
Chicago, Illinois, United States
Cook County, Illinois ⓘ Illinois ⓘ Near South Side, Chicago ⓘ United States ⓘ
linked to:
United States of America
|
| locatedOn | Halsted Street ⓘ |
| maintainedBy | Chicago Department of Transportation ⓘ |
| material | steel ⓘ |
| ownedBy | City of Chicago ⓘ |
| significance | important example of early 20th-century bridge engineering ⓘ |
| 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: South Halsted Street Bridge Description of subject: The South Halsted Street Bridge is a historically significant movable bridge in Chicago, Illinois, recognized as an important example of early 20th-century bridge engineering.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: South Halsted Street Bridge