"The Bridge at Mackinac"
E427422
"The Bridge at Mackinac" is a landmark engineering work, best known as the Mackinac Bridge that spans the Straits of Mackinac in Michigan and stands as one of the world’s longest suspension bridges.
All labels observed (1)
| Label | Occurrences |
|---|---|
| "The Bridge at Mackinac" canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4259233 — 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: "The Bridge at Mackinac" Context triple: [David B. Steinman, notableWork, "The Bridge at Mackinac"]
-
A.
Meeting Across the River
"Meeting Across the River" is a moody, jazz-tinged ballad by Bruce Springsteen that serves as a cinematic, character-driven prelude to "Jungleland" on the Born to Run album.
-
B.
Blind River
Blind River is a small town in Ontario, Canada, situated on the shores of Lake Huron and known for its forestry, mining history, and outdoor recreation.
-
C.
Northern Crossing
Northern Crossing is a challenging multi-day tramping route traversing the northern section of New Zealand’s Tararua Range.
-
D.
In the Pines
"In the Pines" is a traditional American folk song, also known as "Where Did You Sleep Last Night," that has been widely covered and adapted across blues, country, and rock music.
-
E.
Cripple Cove
Cripple Cove is a small inlet or cove located within Gloucester Harbor on the coast of Gloucester, 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: "The Bridge at Mackinac" Target entity description: "The Bridge at Mackinac" is a landmark engineering work, best known as the Mackinac Bridge that spans the Straits of Mackinac in Michigan and stands as one of the world’s longest suspension bridges.
-
A.
Meeting Across the River
"Meeting Across the River" is a moody, jazz-tinged ballad by Bruce Springsteen that serves as a cinematic, character-driven prelude to "Jungleland" on the Born to Run album.
-
B.
Blind River
Blind River is a small town in Ontario, Canada, situated on the shores of Lake Huron and known for its forestry, mining history, and outdoor recreation.
-
C.
Northern Crossing
Northern Crossing is a challenging multi-day tramping route traversing the northern section of New Zealand’s Tararua Range.
-
D.
In the Pines
"In the Pines" is a traditional American folk song, also known as "Where Did You Sleep Last Night," that has been widely covered and adapted across blues, country, and rock music.
-
E.
Cripple Cove
Cripple Cove is a small inlet or cove located within Gloucester Harbor on the coast of Gloucester, Massachusetts.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
civil engineering structure
ⓘ
landmark ⓘ suspension bridge ⓘ |
| alsoKnownAs |
Big Mac
NERFINISHED
ⓘ
Mackinac Bridge NERFINISHED ⓘ Mighty Mac NERFINISHED ⓘ Straits of Mackinac Bridge NERFINISHED ⓘ |
| carries |
Interstate 75
NERFINISHED
ⓘ
vehicular traffic ⓘ |
| clearanceBelow |
155 ft
ⓘ
47 m ⓘ |
| connects |
Mackinaw City, Michigan
NERFINISHED
ⓘ
St. Ignace, Michigan NERFINISHED ⓘ |
| constructionStartDate | 1954 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Straits of Mackinac NERFINISHED ⓘ |
| designer | David B. Steinman NERFINISHED ⓘ |
| hasType | road bridge ⓘ |
| lanes | 4 ⓘ |
| locatedInBodyOfWater |
Lake Huron
NERFINISHED
ⓘ
Lake Michigan NERFINISHED ⓘ |
| location |
Michigan
NERFINISHED
ⓘ
Straits of Mackinac NERFINISHED ⓘ |
| mainSpanLength |
1158 m
ⓘ
3800 ft ⓘ |
| maintainedBy | Mackinac Bridge Authority NERFINISHED ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| notableFor |
being one of the world’s longest suspension bridges
ⓘ
spanning the Straits of Mackinac ⓘ |
| opened | 1957-11-01 ⓘ |
| openedToTraffic | 1957 ⓘ |
| owner | State of Michigan NERFINISHED ⓘ |
| partOf | Great Lakes region NERFINISHED ⓘ |
| region | Midwestern United States ⓘ |
| separates |
Lower Peninsula of Michigan
NERFINISHED
ⓘ
Upper Peninsula of Michigan NERFINISHED ⓘ |
| state |
Michigan (most of state)
ⓘ
surface form:
Michigan
|
| symbolOf |
Michigan
NERFINISHED
ⓘ
engineering achievement in the United States ⓘ |
| tollBridge | yes ⓘ |
| totalLength |
26,372 ft
ⓘ
8038 m ⓘ |
| towerHeight |
168 m
ⓘ
552 ft ⓘ |
| trafficType |
automobile
ⓘ
truck ⓘ |
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: "The Bridge at Mackinac" Description of subject: "The Bridge at Mackinac" is a landmark engineering work, best known as the Mackinac Bridge that spans the Straits of Mackinac in Michigan and stands as one of the world’s longest suspension bridges.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.