Hogback Bridge
E881586
Hogback Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic "Bridges of Madison County" and a popular tourist attraction.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hogback Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8871137 — 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: Hogback Bridge Context triple: [Winterset, Iowa, hasHistoricStructure, Hogback Bridge]
-
A.
Hickman Bridge
Hickman Bridge is a prominent natural sandstone arch and popular hiking destination located within Capitol Reef National Park in Utah.
-
B.
Kedzie Bridge
Kedzie Bridge is a pedestrian bridge on the Michigan State University campus that spans the Red Cedar River and connects key areas of the East Lansing grounds.
-
C.
Hathaway Bridge
Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
-
D.
Galena Creek Bridge
Galena Creek Bridge is a large concrete arch highway bridge in Nevada known for carrying traffic through the mountainous terrain south of Reno.
-
E.
Agate Pass Bridge
Agate Pass Bridge is a steel cantilever truss bridge in Washington State that carries State Route 305 between Bainbridge Island and the Kitsap Peninsula.
- 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: Hogback Bridge Target entity description: Hogback Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic "Bridges of Madison County" and a popular tourist attraction.
-
A.
Hickman Bridge
Hickman Bridge is a prominent natural sandstone arch and popular hiking destination located within Capitol Reef National Park in Utah.
-
B.
Kedzie Bridge
Kedzie Bridge is a pedestrian bridge on the Michigan State University campus that spans the Red Cedar River and connects key areas of the East Lansing grounds.
-
C.
Hathaway Bridge
Hathaway Bridge is a major vehicular bridge in Bay County, Florida, carrying traffic across St. Andrew Bay as part of a key Gulf Coast transportation route.
-
D.
Galena Creek Bridge
Galena Creek Bridge is a large concrete arch highway bridge in Nevada known for carrying traffic through the mountainous terrain south of Reno.
-
E.
Agate Pass Bridge
Agate Pass Bridge is a steel cantilever truss bridge in Washington State that carries State Route 305 between Bainbridge Island and the Kitsap Peninsula.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
covered bridge
ⓘ
historic place ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | North River NERFINISHED ⓘ |
| hasAccess | public ⓘ |
| hasAttractionType |
film-related tourism site
ⓘ
photography spot ⓘ |
| hasConservationStatus | preserved historic structure ⓘ |
| hasCounty | Madison County NERFINISHED ⓘ |
| hasDesign | wooden covered bridge ⓘ |
| hasFeature |
covered superstructure
ⓘ
historic rural setting ⓘ timber truss construction ⓘ |
| hasHeritageStatus | listed on the National Register of Historic Places ⓘ |
| hasMaterial | wood ⓘ |
| hasNumberOfSpans | 1 ⓘ |
| hasRegion | Midwestern United States NERFINISHED ⓘ |
| hasRoadwayType | single-lane ⓘ |
| hasSetting | rural landscape ⓘ |
| hasSignificance |
iconic covered bridge of Iowa
ⓘ
local landmark of Madison County ⓘ |
| hasTourismType |
cultural tourism
ⓘ
heritage tourism ⓘ |
| isFamousFor |
being one of the Bridges of Madison County
ⓘ
tourism and sightseeing ⓘ |
| isRelatedTo |
The Bridges of Madison County (film)
NERFINISHED
ⓘ
The Bridges of Madison County (novel) NERFINISHED ⓘ |
| locatedIn |
Iowa
ⓘ
Madison County, Iowa NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| near | Winterset, Iowa NERFINISHED ⓘ |
| partOf | Bridges of Madison County NERFINISHED ⓘ |
| usedFor |
pedestrian traffic
ⓘ
road 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: Hogback Bridge Description of subject: Hogback Bridge is a historic covered bridge in Madison County, Iowa, famed as one of the iconic "Bridges of Madison County" and a popular tourist attraction.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.