Burnside Bridge
E244823
Burnside Bridge is a historic bascule bridge over the Willamette River in Portland, Oregon, carrying one of the city’s major east–west thoroughfares.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Burnside Bridge canonical | 9 |
How this entity was disambiguated
This entity first appeared as the object of triple T2227736 — 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: Burnside Bridge Context triple: [Portland bridge system, hasPart, Burnside Bridge]
-
A.
Burnside Bridge
Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
-
B.
Harpers Ferry railroad bridge over Potomac River
The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
-
C.
Francis Scott Key Bridge (Baltimore)
The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
-
D.
Longfellow Bridge
Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
-
E.
Burnside
Burnside is a surname of English and Scottish origin borne by various notable individuals, including Australian barrister and human rights advocate Julian Burnside.
- 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: Burnside Bridge Target entity description: Burnside Bridge is a historic bascule bridge over the Willamette River in Portland, Oregon, carrying one of the city’s major east–west thoroughfares.
-
A.
Burnside Bridge
Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
-
B.
Harpers Ferry railroad bridge over Potomac River
The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
-
C.
Francis Scott Key Bridge (Baltimore)
The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
-
D.
Longfellow Bridge
Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
-
E.
Burnside
Burnside is a surname of English and Scottish origin borne by various notable individuals, including Australian barrister and human rights advocate Julian Burnside.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bascule bridge
ⓘ
historic bridge ⓘ road bridge ⓘ |
| carries |
Burnside Street
ⓘ
U.S. Route 30 Business ⓘ |
| connects |
Eastside Portland
ⓘ
surface form:
East Portland
West Portland ⓘ |
| constructionStartDate | 1924 ⓘ |
| crosses | Willamette River ⓘ |
| crossesAt | Willamette River in downtown Portland ⓘ |
| designedBy | Hedrick & Kremers ⓘ |
| engineeredBy | Gustav Lindenthal ⓘ |
| hasApproach |
east approach in the Central Eastside Industrial District
ⓘ
west approach in downtown Portland ⓘ |
| hasClearanceBelow | sufficient for river traffic when raised ⓘ |
| hasDesign | double-leaf Strauss bascule ⓘ |
| hasFeature |
bicycle lanes
ⓘ
movable span ⓘ sidewalks for pedestrians ⓘ |
| hasFunction |
bicycle traffic
ⓘ
pedestrian traffic ⓘ vehicular traffic ⓘ |
| hasHistoricSignificance | early 20th-century bascule bridge engineering in Portland ⓘ |
| hasLocale |
City Center / Downtown Portland
ⓘ
surface form:
downtown Portland
|
| hasMaterial |
concrete
ⓘ
steel ⓘ |
| hasNumberOfSpans | 3 ⓘ |
| hasOwner | Multnomah County ⓘ |
| hasTrafficLanes | multiple motor vehicle lanes ⓘ |
| hasType | double-leaf bascule main span ⓘ |
| isIconOf |
Portland, Oregon, United States
ⓘ
surface form:
Portland, Oregon
|
| isMajorCrossingFor | east–west traffic in Portland ⓘ |
| isOn | Burnside Street, a major east–west thoroughfare in Portland ⓘ |
| isOneOf | Willamette River bridges in Portland ⓘ |
| isPartOf | Portland’s downtown transportation network ⓘ |
| isUsedFor |
daily commuting
ⓘ
special events and parades ⓘ |
| isVisibleFrom |
Downtown Portland waterfront
ⓘ
surface form:
Portland waterfront
|
| locatedIn |
Multnomah County
ⓘ
surface form:
Multnomah County, Oregon
Oregon ⓘ Portland, Oregon, United States ⓘ
surface form:
Portland, Oregon
United States of America ⓘ
surface form:
United States
|
| maintainedBy | Multnomah County ⓘ |
| namedAfter | David W. Burnside ⓘ |
| opened | 1926 ⓘ |
| operatedBy | Multnomah County ⓘ |
| partOf | Portland bridge system over the Willamette River ⓘ |
| replaced | earlier Burnside bridges at the same crossing ⓘ |
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: Burnside Bridge Description of subject: Burnside Bridge is a historic bascule bridge over the Willamette River in Portland, Oregon, carrying one of the city’s major east–west thoroughfares.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Portland, Oregon