Aerial Lift Bridge
E73621
The Aerial Lift Bridge is a historic vertical-lift bridge in Duluth, Minnesota, known for its distinctive lifting span that allows ships to pass between Lake Superior and the city’s harbor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Aerial Lift Bridge canonical | 12 |
| Aerial Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T587275 — 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: Aerial Lift Bridge Context triple: [Duluth, hasLandmark, Aerial Lift Bridge]
-
A.
Evergreen Point Floating Bridge
The Evergreen Point Floating Bridge is a major floating bridge in the Seattle area that carries State Route 520 across Lake Washington, connecting Seattle to its eastern suburbs.
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B.
Barton Road Swing Bridge
Barton Road Swing Bridge is a movable road bridge in Greater Manchester, England, that swings to allow ships to pass along the Manchester Ship Canal.
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C.
BP Pedestrian Bridge
The BP Pedestrian Bridge is a Frank Gehry–designed stainless steel footbridge in Chicago that snakes over Columbus Drive, linking Millennium Park to the lakefront and offering skyline views.
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D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
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E.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
- 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: Aerial Lift Bridge Target entity description: The Aerial Lift Bridge is a historic vertical-lift bridge in Duluth, Minnesota, known for its distinctive lifting span that allows ships to pass between Lake Superior and the city’s harbor.
-
A.
Evergreen Point Floating Bridge
The Evergreen Point Floating Bridge is a major floating bridge in the Seattle area that carries State Route 520 across Lake Washington, connecting Seattle to its eastern suburbs.
-
B.
Barton Road Swing Bridge
Barton Road Swing Bridge is a movable road bridge in Greater Manchester, England, that swings to allow ships to pass along the Manchester Ship Canal.
-
C.
BP Pedestrian Bridge
The BP Pedestrian Bridge is a Frank Gehry–designed stainless steel footbridge in Chicago that snakes over Columbus Drive, linking Millennium Park to the lakefront and offering skyline views.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Grand Bridge
The Grand Bridge is an imposing ornamental stone bridge and landscape feature within the grounds of Blenheim Palace in Oxfordshire, England, designed to enhance the estate’s grand Baroque setting.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
movable bridge ⓘ road bridge ⓘ vertical-lift bridge ⓘ |
| allowsPassageOf |
Great Lakes freighters
ⓘ
ocean-going vessels ⓘ |
| alsoKnownAs |
Aerial Lift Bridge
ⓘ
surface form:
Aerial Bridge
Duluth Aerial Lift Bridge ⓘ |
| bodyOfWater | Lake Superior ⓘ |
| carries |
Lake Avenue
ⓘ
pedestrian traffic ⓘ vehicular traffic ⓘ |
| city | Duluth ⓘ |
| connects |
Duluth
ⓘ
surface form:
Duluth mainland
Minnesota Point ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Duluth Ship Canal ⓘ |
| designer | C.A.P. Turner ⓘ |
| designType | vertical-lift span ⓘ |
| function |
allows ship passage
ⓘ
carries road traffic ⓘ |
| hasFeature |
counterweight-operated lift span
ⓘ
towers on each side of canal ⓘ |
| hasLighting | decorative lights ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| locatedIn |
Duluth
ⓘ
surface form:
Duluth, Minnesota
United States of America ⓘ
surface form:
United States
|
| maintainedBy |
Duluth
ⓘ
surface form:
City of Duluth
|
| material | steel ⓘ |
| notableFor |
distinctive lifting span
ⓘ
role in Duluth harbor navigation ⓘ |
| NRHPListing |
National Register of Historic Places
ⓘ
surface form:
United States National Register of Historic Places
|
| NRHPType | structure ⓘ |
| opened | 1905 ⓘ |
| operatesOver |
Duluth–Superior harbor and estuary system
ⓘ
surface form:
Duluth–Superior Harbor entrance
|
| originalDesign | aerial transfer bridge ⓘ |
| owner |
Duluth
ⓘ
surface form:
City of Duluth
|
| partOf | Duluth harbor infrastructure ⓘ |
| rebuiltAsLiftBridge | 1929 ⓘ |
| region | Great Lakes region ⓘ |
| significance | iconic symbol of Duluth ⓘ |
| spans | Duluth Ship Canal ⓘ |
| state | Minnesota ⓘ |
| touristAttraction |
Duluth
ⓘ
surface form:
Duluth, Minnesota
|
| trafficType | road ⓘ |
| usedBy |
local commuters
ⓘ
tourists ⓘ |
| usedFor | maritime navigation access ⓘ |
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: Aerial Lift Bridge Description of subject: The Aerial Lift Bridge is a historic vertical-lift bridge in Duluth, Minnesota, known for its distinctive lifting span that allows ships to pass between Lake Superior and the city’s harbor.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Aerial Bridge