Evergreen Point Floating Bridge
E63085
The Evergreen Point Floating Bridge is a major floating bridge in the Seattle area that carries State Route 520 across Lake Washington, connecting Seattle to its eastern suburbs.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T307033 — 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: Evergreen Point Floating Bridge Context triple: [Puget Sound region, hasBridge, Evergreen Point Floating Bridge]
-
A.
St. Johns Bridge
St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
-
B.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
-
C.
Bay Bridge
The Bay Bridge is a major suspension bridge complex in the San Francisco Bay Area that connects San Francisco and Oakland across San Francisco Bay.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Richmond–San Rafael Bridge
The Richmond–San Rafael Bridge is a major toll bridge in the San Francisco Bay Area that connects the cities of Richmond in the East Bay and San Rafael in Marin County.
- 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: Evergreen Point Floating Bridge Target entity description: The Evergreen Point Floating Bridge is a major floating bridge in the Seattle area that carries State Route 520 across Lake Washington, connecting Seattle to its eastern suburbs.
-
A.
St. Johns Bridge
St. Johns Bridge is a historic steel suspension bridge in Portland, Oregon, noted for its striking Gothic-style towers and scenic span over the Willamette River.
-
B.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
-
C.
Bay Bridge
The Bay Bridge is a major suspension bridge complex in the San Francisco Bay Area that connects San Francisco and Oakland across San Francisco Bay.
-
D.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
E.
Richmond–San Rafael Bridge
The Richmond–San Rafael Bridge is a major toll bridge in the San Francisco Bay Area that connects the cities of Richmond in the East Bay and San Rafael in Marin County.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
floating bridge ⓘ road bridge ⓘ |
| alsoKnownAs |
Evergreen Point Bridge
ⓘ
SR 520 Bridge ⓘ |
| carries | State Route 520 ⓘ |
| city | Seattle ⓘ |
| connects |
Medina, Washington
ⓘ
Seattle ⓘ eastern suburbs of Seattle ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses |
Lake Washington
ⓘ
Lake Washington Ship Canal system (waterway connection) ⓘ
linked to:
Lake Washington Ship Canal
|
| design | pontoon bridge ⓘ |
| hasFeature |
high-occupancy vehicle lanes
ⓘ
shared-use path for bicycles and pedestrians ⓘ transit priority infrastructure ⓘ |
| hasLane |
eastbound lanes
ⓘ
westbound lanes ⓘ |
| hasPart |
anchoring system
ⓘ
pontoons ⓘ roadway deck ⓘ |
| hasToll | yes ⓘ |
| hasType | floating pontoon bridge ⓘ |
| isOnRoute |
SR 520
ⓘ
linked to:
Washington State Route 520
|
| isPartOfProject | SR 520 Bridge Replacement and HOV Program ⓘ |
| locatedIn |
King County, Washington
ⓘ
linked to:
King County
Seattle, Washington ⓘ
linked to:
Seattle, Washington, United States
United States ⓘ
linked to:
United States of America
Washington (state) ⓘ
linked to:
Washington
|
| locatedNear |
Laurelhurst neighborhood
ⓘ
Medina Evergreen Point neighborhood ⓘ Union Bay ⓘ |
| maintainedBy | Washington State Department of Transportation ⓘ |
| material | concrete ⓘ |
| namedAfter | Evergreen Point neighborhood in Medina ⓘ |
| opened | 2016 ⓘ |
| partOf |
Seattle metropolitan area transportation network
ⓘ
linked to:
Seattle metropolitan area
State Route 520 corridor ⓘ
linked to:
State Route 520
|
| replaced |
original Evergreen Point Floating Bridge (1963)
ⓘ
linked to:
Evergreen Point Floating Bridge
|
| replaces | older, structurally vulnerable floating bridge ⓘ |
| state | Washington ⓘ |
| usedFor |
bicycle traffic
ⓘ
pedestrian traffic ⓘ public transit ⓘ vehicular 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: Evergreen Point Floating Bridge Description of subject: The Evergreen Point Floating Bridge is a major floating bridge in the Seattle area that carries State Route 520 across Lake Washington, connecting Seattle to its eastern suburbs.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Evergreen Point Floating Bridge
Montlake Cut
→
hasNearbyStructure
→
State Route 520 floating bridge (to the north across Union Bay)
ⓘ
linked to: Evergreen Point Floating Bridge
subject linked to:
Evergreen Point neighborhood in Medina
Lacey V. Murrow
→
notableProject
→
Lake Washington floating bridge (original bridge later named Lacey V. Murrow Memorial Bridge)
ⓘ
linked to: Evergreen Point Floating Bridge