San Mateo–Hayward Bridge
E33880
The San Mateo–Hayward Bridge is a major vehicular bridge in the San Francisco Bay Area that carries traffic across the bay between the San Mateo Peninsula and the East Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Mateo–Hayward Bridge canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T70613 — 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.
Target entity: San Mateo–Hayward Bridge Context triple: [San Francisco Bay, crossedBy, San Mateo–Hayward Bridge]
-
A.
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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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.
Theodore Roosevelt Bridge
The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
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D.
145th Street Bridge
The 145th Street Bridge is a swing bridge in New York City that carries vehicular and pedestrian traffic between Manhattan and the Bronx.
-
E.
Tappan Zee Bridge
The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: San Mateo–Hayward Bridge Target entity description: The San Mateo–Hayward Bridge is a major vehicular bridge in the San Francisco Bay Area that carries traffic across the bay between the San Mateo Peninsula and the East Bay.
-
A.
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.
-
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.
Theodore Roosevelt Bridge
The Theodore Roosevelt Bridge is a major highway bridge over the Potomac River in Washington, D.C., carrying traffic between the city and Arlington, Virginia.
-
D.
145th Street Bridge
The 145th Street Bridge is a swing bridge in New York City that carries vehicular and pedestrian traffic between Manhattan and the Bronx.
-
E.
Tappan Zee Bridge
The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
bay bridge
ⓘ
bridge ⓘ toll bridge ⓘ vehicular bridge ⓘ |
| carries | State Route 92 ⓘ |
| connects |
East Bay
ⓘ
San Francisco Peninsula ⓘ
surface form:
San Mateo Peninsula
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
San Francisco Bay
ⓘ
San Francisco Bay ⓘ
surface form:
San Francisco Bay shipping channel
|
| directionalConfiguration | 3 lanes each direction ⓘ |
| easternTerminus |
Alameda County
ⓘ
Hayward ⓘ |
| hasCategory |
Bridges completed in 1967
ⓘ
Bridges in the San Francisco Bay Area ⓘ Road bridges in California ⓘ Toll bridges in California ⓘ |
| hasDesign |
box girder bridge
ⓘ
high-rise span ⓘ viaduct ⓘ |
| hasFunction | connects San Mateo Peninsula with East Bay ⓘ |
| hasHighRiseSpan | shipping channel span ⓘ |
| lanes | 6 ⓘ |
| locatedIn | San Francisco Bay Area ⓘ |
| maintainedBy |
Caltrans
ⓘ
surface form:
California Department of Transportation
Caltrans ⓘ |
| material |
concrete
ⓘ
steel ⓘ |
| namedAfter |
Hayward
ⓘ
San Mateo ⓘ |
| opened | 1967 ⓘ |
| originalBridgeOpened | 1929 ⓘ |
| originalBridgeType | drawbridge ⓘ |
| owner |
California, United States
ⓘ
surface form:
State of California
|
| parallelTo |
Dumbarton Bridge
ⓘ
San Francisco–Oakland Bay Bridge ⓘ |
| partOf |
Bay Area toll bridge network
ⓘ
California state highway system ⓘ
surface form:
State highway system of California
|
| region | Northern California ⓘ |
| replaced | original 1929 San Mateo–Hayward Bridge ⓘ |
| serves |
commuter traffic
ⓘ
regional traffic ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| tollCollection |
FasTrak
ⓘ
electronic toll collection ⓘ |
| tollDirection | westbound ⓘ |
| westernTerminus |
Foster City, California
ⓘ
surface form:
Foster City
San Mateo County, California ⓘ
surface form:
San Mateo County
|
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.
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.
Subject: San Mateo–Hayward Bridge Description of subject: The San Mateo–Hayward Bridge is a major vehicular bridge in the San Francisco Bay Area that carries traffic across the bay between the San Mateo Peninsula and the East Bay.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.