Broadway Bridge
E445730
The Broadway Bridge is a historic steel truss bascule bridge spanning the Willamette River in Portland, Oregon, carrying both road traffic and light rail.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Broadway Bridge canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T2227734 — 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: Broadway Bridge Context triple: [Portland bridge system, hasPart, Broadway Bridge]
-
A.
Broadway Bridge
The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River between Manhattan and the Bronx.
-
B.
Park Avenue Bridge
The Park Avenue Bridge is a vertical-lift railroad bridge in New York City that carries Metro-North Railroad tracks between Manhattan and the Bronx.
-
C.
59th Street Bridge
The 59th Street Bridge, officially known as the Queensboro Bridge, is a major cantilever bridge in New York City that spans the East River between Manhattan and Queens.
-
D.
Madison Avenue Bridge
The Madison Avenue Bridge is a historic swing bridge in New York City that carries Madison Avenue traffic between Manhattan and the Bronx.
-
E.
Third Avenue Bridge
The Third Avenue Bridge is a major swing bridge in New York City that carries traffic between Manhattan and the Bronx.
- 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: Broadway Bridge Target entity description: The Broadway Bridge is a historic steel truss bascule bridge spanning the Willamette River in Portland, Oregon, carrying both road traffic and light rail.
-
A.
Broadway Bridge
The Broadway Bridge is a movable bridge in New York City that carries Broadway and the subway across the Harlem River between Manhattan and the Bronx.
-
B.
Park Avenue Bridge
The Park Avenue Bridge is a vertical-lift railroad bridge in New York City that carries Metro-North Railroad tracks between Manhattan and the Bronx.
-
C.
59th Street Bridge
The 59th Street Bridge, officially known as the Queensboro Bridge, is a major cantilever bridge in New York City that spans the East River between Manhattan and Queens.
-
D.
Madison Avenue Bridge
The Madison Avenue Bridge is a historic swing bridge in New York City that carries Madison Avenue traffic between Manhattan and the Bronx.
-
E.
Third Avenue Bridge
The Third Avenue Bridge is a major swing bridge in New York City that carries traffic between Manhattan and the Bronx.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
bascule bridge
ⓘ
historic bridge ⓘ rail bridge ⓘ road bridge ⓘ steel truss bridge ⓘ |
| carries |
bicycle traffic
ⓘ
light rail ⓘ pedestrian traffic ⓘ road traffic ⓘ streetcar tracks ⓘ |
| connects |
Northeast Portland
ⓘ
Northwest Portland ⓘ
linked to:
Westside of Portland
|
| constructionStartDate | 1911 ⓘ |
| crosses | Willamette River ⓘ |
| designer | Ralph Modjeski ⓘ |
| hasCity | Portland ⓘ |
| hasClearanceBelow | varies with river level ⓘ |
| hasCountry |
United States
ⓘ
linked to:
United States of America
|
| hasDesign |
Rall-type bascule
ⓘ
truss ⓘ |
| hasFeature |
double-leaf bascule span
ⓘ
red-painted steel trusses ⓘ |
| hasLength | approximately 1,613 feet ⓘ |
| hasMainSpanLength | approximately 278 feet ⓘ |
| hasNumberOfLanes | 4 ⓘ |
| hasNumberOfSpans | 5 ⓘ |
| hasRefurbishment | major rehabilitation in the 2000s ⓘ |
| hasState | Oregon ⓘ |
| hasToll | no ⓘ |
| hasTraffic |
bicycles
ⓘ
motor vehicles ⓘ pedestrians ⓘ |
| isListedOn | National Register of Historic Places ⓘ |
| locatedIn |
Multnomah County, Oregon
ⓘ
linked to:
Multnomah County
Oregon ⓘ Portland, Oregon ⓘ
linked to:
Portland, Oregon, United States
United States ⓘ
linked to:
United States of America
|
| maintainedBy | Multnomah County ⓘ |
| material | steel ⓘ |
| namedAfter |
Broadway (Portland street)
ⓘ
linked to:
Northeast Broadway
|
| NRHPListingDate | 2012 ⓘ |
| opened | 1913 ⓘ |
| owner | Multnomah County ⓘ |
| partOf | Portland street network ⓘ |
| usedBy | Portland Streetcar ⓘ |
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: Broadway Bridge Description of subject: The Broadway Bridge is a historic steel truss bascule bridge spanning the Willamette River in Portland, Oregon, carrying both road traffic and light rail.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.