State Route 509 bridge
E821318
The State Route 509 bridge is a major roadway span in Tacoma, Washington, carrying traffic over the Thea Foss Waterway as part of the region’s highway network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| State Route 509 bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9769217 — 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: State Route 509 bridge Context triple: [Thea Foss Waterway, crossedBy, State Route 509 bridge]
-
A.
Sundale Bridge
Sundale Bridge is a major road bridge on the Gold Coast in Queensland, Australia, carrying traffic across the Nerang River between Southport and Main Beach.
-
B.
U.S. Route 19 bridge
The U.S. Route 19 bridge is a highway bridge in Florida that carries U.S. Route 19 across the Anclote River, facilitating regional north–south traffic along the Gulf Coast.
-
C.
Leach Highway Bridge
Leach Highway Bridge is a major road bridge in Perth, Western Australia, carrying Leach Highway across the Canning River as part of a key east–west transport route.
-
D.
Winona Bridge
Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
-
E.
Don N. Holt Bridge
The Don N. Holt Bridge is a major steel cantilever bridge in South Carolina that carries Interstate 526 over the Cooper River near Charleston.
- 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: State Route 509 bridge Target entity description: The State Route 509 bridge is a major roadway span in Tacoma, Washington, carrying traffic over the Thea Foss Waterway as part of the region’s highway network.
-
A.
Sundale Bridge
Sundale Bridge is a major road bridge on the Gold Coast in Queensland, Australia, carrying traffic across the Nerang River between Southport and Main Beach.
-
B.
U.S. Route 19 bridge
The U.S. Route 19 bridge is a highway bridge in Florida that carries U.S. Route 19 across the Anclote River, facilitating regional north–south traffic along the Gulf Coast.
-
C.
Leach Highway Bridge
Leach Highway Bridge is a major road bridge in Perth, Western Australia, carrying Leach Highway across the Canning River as part of a key east–west transport route.
-
D.
Winona Bridge
Winona Bridge is a historic steel truss bridge spanning the Mississippi River at Winona, Minnesota, serving as a key transportation link between Minnesota and Wisconsin.
-
E.
Don N. Holt Bridge
The Don N. Holt Bridge is a major steel cantilever bridge in South Carolina that carries Interstate 526 over the Cooper River near Charleston.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
highway bridge ⓘ |
| carries |
State Route 509
ⓘ
motor vehicle traffic ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses |
Thea Foss Waterway
ⓘ
waterway ⓘ |
| environment | urban waterfront setting ⓘ |
| hasAccess |
State Route 509 northbound
ⓘ
State Route 509 southbound ⓘ |
| hasFunction | connects downtown Tacoma area with industrial and port districts ⓘ |
| hasImportance | major traffic corridor in Tacoma ⓘ |
| isPartOf | Tacoma transportation infrastructure ⓘ |
| locatedIn |
Pierce County, Washington
ⓘ
linked to:
Pierce County
Tacoma, Washington ⓘ Washington State ⓘ
linked to:
Washington
|
| namedAfter | State Route 509 ⓘ |
| partOf |
Washington State Route 509 corridor
ⓘ
regional highway network of Tacoma ⓘ |
| structureType | roadway span ⓘ |
| usedFor |
commuter traffic
ⓘ
freight traffic ⓘ road transportation ⓘ |
| waterwayTypeCrossed | inlet of Commencement Bay ⓘ |
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: State Route 509 bridge Description of subject: The State Route 509 bridge is a major roadway span in Tacoma, Washington, carrying traffic over the Thea Foss Waterway as part of the region’s highway network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.