Carquinez Bridge
E168769
Carquinez Bridge is a major twin-span steel bridge in the San Francisco Bay Area that carries Interstate 80 across the Carquinez Strait between Crockett and Vallejo.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Carquinez Bridge canonical | 10 |
| Carquinez Strait Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T797849 — 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: Carquinez Bridge Context triple: [Contra Costa County, hasMajorBridge, Carquinez Bridge]
-
A.
Yaquina Bay Bridge
The Yaquina Bay Bridge is an iconic 1930s Art Deco–style arch bridge on the Oregon coast, renowned for its elegant design and role as a key crossing on U.S. Route 101.
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B.
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.
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C.
San Francisco–Oakland Bay Bridge
The San Francisco–Oakland Bay Bridge is a major multi-span suspension and cantilever bridge connecting San Francisco and Oakland, serving as one of the primary highway links across the central part of the San Francisco Bay.
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D.
Marquam Bridge
The Marquam Bridge is a major double-decked freeway bridge in Portland, Oregon, carrying Interstate 5 across the Willamette River.
-
E.
Fremont Bridge
The Fremont Bridge is a prominent tied-arch freeway bridge in Portland, Oregon, known for carrying Interstate 405 across the Willamette River and being one of the city's most recognizable 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: Carquinez Bridge Target entity description: Carquinez Bridge is a major twin-span steel bridge in the San Francisco Bay Area that carries Interstate 80 across the Carquinez Strait between Crockett and Vallejo.
-
A.
Yaquina Bay Bridge
The Yaquina Bay Bridge is an iconic 1930s Art Deco–style arch bridge on the Oregon coast, renowned for its elegant design and role as a key crossing on U.S. Route 101.
-
B.
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.
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C.
San Francisco–Oakland Bay Bridge
The San Francisco–Oakland Bay Bridge is a major multi-span suspension and cantilever bridge connecting San Francisco and Oakland, serving as one of the primary highway links across the central part of the San Francisco Bay.
-
D.
Marquam Bridge
The Marquam Bridge is a major double-decked freeway bridge in Portland, Oregon, carrying Interstate 5 across the Willamette River.
-
E.
Fremont Bridge
The Fremont Bridge is a prominent tied-arch freeway bridge in Portland, Oregon, known for carrying Interstate 405 across the Willamette River and being one of the city's most recognizable landmarks.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
steel bridge ⓘ twin-span bridge ⓘ |
| belongsTo | State Route 80 corridor in California ⓘ |
| carries |
Interstate 80
ⓘ
vehicular traffic ⓘ |
| connects |
Crockett, California
ⓘ
Vallejo ⓘ
surface form:
Vallejo, California
|
| crosses |
Carquinez Pass
ⓘ
surface form:
Carquinez Strait
Sacramento–San Joaquin River Delta ⓘ
surface form:
Sacramento–San Joaquin River Delta outlet
|
| crossesBetween | Contra Costa County and Solano County ⓘ |
| designedAs | major regional crossing ⓘ |
| function | transportation infrastructure ⓘ |
| hasAlternativeName |
Carquinez Bridge
ⓘ
surface form:
Carquinez Strait Bridge
|
| hasComponent |
1958 parallel cantilever span
ⓘ
2003 Alfred Zampa Memorial Bridge ⓘ original 1927 cantilever span ⓘ |
| hasFeature |
cantilever span (original structures)
ⓘ
main cable-supported span (Alfred Zampa Memorial Bridge) ⓘ structural steel trusses (older spans) ⓘ suspension span (Alfred Zampa Memorial Bridge) ⓘ |
| hasLanes | multiple traffic lanes ⓘ |
| hasName | Carquinez Bridge self-link ⓘ |
| hasToll | yes ⓘ |
| isPartOfNetwork |
Bay Area toll bridge network
ⓘ
surface form:
Bay Area toll bridges
|
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco Bay Area ⓘ United States of America ⓘ
surface form:
United States
|
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
Caltrans ⓘ |
| material | steel ⓘ |
| namedAfter |
Carquinez Pass
ⓘ
surface form:
Carquinez Strait
|
| opened |
1927
ⓘ
1958 ⓘ 2003 ⓘ |
| partOf |
I-80 corridor between San Francisco and Sacramento
ⓘ
Interstate Highway System ⓘ |
| regionServed |
Contra Costa County
ⓘ
Solano County ⓘ |
| replacedBy |
2003 Alfred Zampa Memorial Bridge
ⓘ
surface form:
Alfred Zampa Memorial Bridge
|
| roadType | freeway ⓘ |
| tollDirection | westbound-only ⓘ |
| usedFor |
commuter traffic
ⓘ
freight traffic ⓘ |
| waterway |
Carquinez Pass
ⓘ
surface form:
Carquinez Strait
|
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: Carquinez Bridge Description of subject: Carquinez Bridge is a major twin-span steel bridge in the San Francisco Bay Area that carries Interstate 80 across the Carquinez Strait between Crockett and Vallejo.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Carquinez Strait Bridge