Hawthorne Bridge
E126808
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hawthorne Bridge canonical | 12 |
How this entity was disambiguated
This entity first appeared as the object of triple T605462 — 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: Hawthorne Bridge Context triple: [Willamette River, notableBridge, Hawthorne Bridge]
-
A.
Benson Bridge
Benson Bridge is a historic pedestrian footbridge that spans the lower falls at Oregon’s Multnomah Falls, offering visitors a close-up view of the cascading water.
-
B.
Harrison Street bridge
Harrison Street bridge is a roadway bridge spanning Lake Carnegie in Princeton, New Jersey, carrying Harrison Street across the lake and connecting the surrounding communities.
-
C.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
D.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
-
E.
Trinity Bridge
Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
- 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: Hawthorne Bridge Target entity description: Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
-
A.
Benson Bridge
Benson Bridge is a historic pedestrian footbridge that spans the lower falls at Oregon’s Multnomah Falls, offering visitors a close-up view of the cascading water.
-
B.
Harrison Street bridge
Harrison Street bridge is a roadway bridge spanning Lake Carnegie in Princeton, New Jersey, carrying Harrison Street across the lake and connecting the surrounding communities.
-
C.
Willis Avenue Bridge
The Willis Avenue Bridge is a swing bridge in New York City that carries traffic between Manhattan and the Bronx.
-
D.
Trinity Bridge
Trinity Bridge is a distinctive three-way footbridge in Greater Manchester, England, designed by architect Santiago Calatrava to link Salford and Manchester across the River Irwell.
-
E.
Trinity Bridge
Trinity Bridge is a historic steel bascule bridge in Saint Petersburg, Russia, known for its ornate design and role as a major crossing over the Neva River near the city’s central landmarks.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bascule bridge
ⓘ
historic place ⓘ road bridge ⓘ truss bridge ⓘ |
| carries |
TriMet buses
ⓘ
bicycles ⓘ motor vehicles ⓘ pedestrians ⓘ |
| connects |
Hawthorne District
ⓘ
downtown Portland ⓘ
linked to:
City Center / Downtown Portland
|
| constructionCompleted | 1910 ⓘ |
| crosses | Willamette River ⓘ |
| designedBy | Waddell & Harrington ⓘ |
| hasApproach | viaducts on both riverbanks ⓘ |
| hasBikeLanes | yes ⓘ |
| hasClearanceWhenRaised | sufficient for large river traffic ⓘ |
| hasColor | dark green ⓘ |
| hasDeckType | steel grating ⓘ |
| hasDesign | steel truss ⓘ |
| hasFeature | vertical-lift style bascule spans ⓘ |
| hasHistoricalSignificance |
early 20th-century movable bridge engineering
ⓘ
longest-serving highway bridge in Portland at time of many surveys ⓘ |
| hasLiftMechanism | counterweight system ⓘ |
| hasMainSpanLength | approximately 244 feet ⓘ |
| hasNavigationSpan | center span ⓘ |
| hasNumberOfLanes | 4 ⓘ |
| hasSidewalks | yes ⓘ |
| hasToll | no ⓘ |
| hasTotalLength | approximately 1,382 feet ⓘ |
| hasTraffic | high daily traffic volume ⓘ |
| isIconOf |
Portland, Oregon
ⓘ
linked to:
Portland, Oregon, United States
|
| isOneOf |
busiest bicycle bridges in Portland
ⓘ
oldest highway bridges in Portland still in use ⓘ oldest vertical-lift bridges in operation in the United States ⓘ |
| locatedIn |
Multnomah County, Oregon
ⓘ
linked to:
Multnomah County
Oregon ⓘ Portland, Oregon ⓘ
linked to:
Portland
United States ⓘ
linked to:
United States of America
|
| maintainedBy | Multnomah County ⓘ |
| namedAfter | J. C. Hawthorne ⓘ |
| opened | 1910 ⓘ |
| ownedBy | Multnomah County ⓘ |
| partOf | Portland’s Willamette River bridge system ⓘ |
| replaced |
Morrison Bridge (original 1887 structure)
ⓘ
linked to:
Morrison Bridge
|
| underwentMajorRehabilitation | 1998 ⓘ |
| usedFor |
commuter traffic
ⓘ
recreational use ⓘ transit operations ⓘ |
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: Hawthorne Bridge Description of subject: Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.