Chambers Covered Bridge
E785099
Chambers Covered Bridge is a historic wooden railway bridge in Cottage Grove, Oregon, notable as one of the last remaining covered railroad bridges in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chambers Covered Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9228160 — 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: Chambers Covered Bridge Context triple: [Cottage Grove, Oregon, hasCoveredBridge, Chambers Covered Bridge]
-
A.
Felton Covered Bridge
Felton Covered Bridge is a historic wooden covered bridge in Felton, California, noted as one of the tallest covered bridges in the United States and a landmark of the town’s 19th-century logging era.
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B.
Newfield Covered Bridge
Newfield Covered Bridge is a historic 19th-century wooden covered bridge in Newfield, New York, noted as one of the oldest surviving covered bridges in the state.
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C.
Everett Covered Bridge
Everett Covered Bridge is a historic wooden covered bridge in Ohio, known as the last remaining covered bridge in Summit County and a popular landmark within Cuyahoga Valley National Park.
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D.
Northfield Falls Covered Bridge
Northfield Falls Covered Bridge is a historic wooden covered bridge in Northfield Falls, Vermont, notable for its traditional 19th-century New England design and role in the region’s scenic rural landscape.
-
E.
Henniker Covered Bridge
Henniker Covered Bridge is a historic wooden covered bridge in Henniker, New Hampshire, known for spanning the Contoocook River with traditional New England charm.
- 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: Chambers Covered Bridge Target entity description: Chambers Covered Bridge is a historic wooden railway bridge in Cottage Grove, Oregon, notable as one of the last remaining covered railroad bridges in the United States.
-
A.
Felton Covered Bridge
Felton Covered Bridge is a historic wooden covered bridge in Felton, California, noted as one of the tallest covered bridges in the United States and a landmark of the town’s 19th-century logging era.
-
B.
Newfield Covered Bridge
Newfield Covered Bridge is a historic 19th-century wooden covered bridge in Newfield, New York, noted as one of the oldest surviving covered bridges in the state.
-
C.
Everett Covered Bridge
Everett Covered Bridge is a historic wooden covered bridge in Ohio, known as the last remaining covered bridge in Summit County and a popular landmark within Cuyahoga Valley National Park.
-
D.
Northfield Falls Covered Bridge
Northfield Falls Covered Bridge is a historic wooden covered bridge in Northfield Falls, Vermont, notable for its traditional 19th-century New England design and role in the region’s scenic rural landscape.
-
E.
Henniker Covered Bridge
Henniker Covered Bridge is a historic wooden covered bridge in Henniker, New Hampshire, known for spanning the Contoocook River with traditional New England charm.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
covered bridge
ⓘ
historic place ⓘ railway bridge ⓘ |
| addedToNationalRegisterOfHistoricPlaces | 1979 ⓘ |
| builder | J. H. Chambers and Son Lumber Company NERFINISHED ⓘ |
| builtFor | Oregon, Pacific and Eastern Railway NERFINISHED ⓘ |
| city | Cottage Grove NERFINISHED ⓘ |
| closedToRailTraffic | 1951 ⓘ |
| constructionStartDate | 1925 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Lane County, Oregon NERFINISHED ⓘ |
| crosses | Coast Fork Willamette River NERFINISHED ⓘ |
| currentUse | recreational and pedestrian use ⓘ |
| design | Howe truss NERFINISHED ⓘ |
| hasFeature | weatherboarded exterior ⓘ |
| hasNearbyTrail | Cottage Grove bike and walking paths ⓘ |
| hasPhotographicInterest | yes ⓘ |
| hasSignificance | represents Oregon’s logging and railroad history ⓘ |
| hasStructureType | single-lane bridge ⓘ |
| hasWalkway | pedestrian walkway ⓘ |
| heritageDesignation |
National Register of Historic Places
ⓘ
surface form:
National Register of Historic Places listing
|
| historicUse | transporting timber from forests to mills ⓘ |
| length | about 78 feet ⓘ |
| location | Cottage Grove, Oregon NERFINISHED ⓘ |
| material | wood ⓘ |
| namedAfter | J. H. Chambers NERFINISHED ⓘ |
| nationalRegisterOfHistoricPlacesReferenceNumber | 79002091 ⓘ |
| notableFor | being one of the last remaining covered railroad bridges in the United States ⓘ |
| numberOfSpans | 1 ⓘ |
| openingDate | 1925 ⓘ |
| originalFunction | carrying logging trains across the Coast Fork Willamette River ⓘ |
| owner | City of Cottage Grove NERFINISHED ⓘ |
| partOf | Cottage Grove’s historic covered bridges ⓘ |
| railServiceEndDate | early 1950s ⓘ |
| railwayType | logging railroad ⓘ |
| region | Pacific Northwest ⓘ |
| reopenedAs | pedestrian bridge ⓘ |
| restorationCompletionDate | 2011 ⓘ |
| restorationStartDate | 2010 ⓘ |
| roofMaterial | wood shingles ⓘ |
| state | Oregon ⓘ |
| touristAttraction | yes ⓘ |
| usedFor | railroad traffic ⓘ |
| width | about 17 feet ⓘ |
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: Chambers Covered Bridge Description of subject: Chambers Covered Bridge is a historic wooden railway bridge in Cottage Grove, Oregon, notable as one of the last remaining covered railroad bridges in the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.