Suicide Bridge
E379041
Suicide Bridge is the grim nickname for Pasadena’s historic Colorado Street Bridge, notorious for the large number of people who have died by jumping from it.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Suicide Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3678223 — 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: Suicide Bridge Context triple: [Colorado Street Bridge, nicknamed, Suicide Bridge]
-
A.
Bridge at Grave
Bridge at Grave is a strategically significant road bridge over the Maas River near the Dutch town of Grave, known for its role in Operation Market Garden during World War II.
-
B.
Great Kills
Great Kills is a residential neighborhood on Staten Island’s South Shore known for its marina, waterfront parks, and suburban character.
-
C.
Suicide Cliff
Suicide Cliff is a historic coastal promontory on Saipan in the Northern Mariana Islands, known as the site of mass civilian and military suicides during World War II and now a memorial and scenic overlook.
-
D.
The Bridge
The Bridge is an ambitious modernist epic poem by Hart Crane that reimagines American history and experience through the symbolic central image of the Brooklyn Bridge.
-
E.
The Bridge
The Bridge is an American crime drama television series in which Diane Kruger stars as a brilliant but socially awkward detective investigating cross-border murders on the U.S.–Mexico frontier.
- 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: Suicide Bridge Target entity description: Suicide Bridge is the grim nickname for Pasadena’s historic Colorado Street Bridge, notorious for the large number of people who have died by jumping from it.
-
A.
Bridge at Grave
Bridge at Grave is a strategically significant road bridge over the Maas River near the Dutch town of Grave, known for its role in Operation Market Garden during World War II.
-
B.
Great Kills
Great Kills is a residential neighborhood on Staten Island’s South Shore known for its marina, waterfront parks, and suburban character.
-
C.
Suicide Cliff
Suicide Cliff is a historic coastal promontory on Saipan in the Northern Mariana Islands, known as the site of mass civilian and military suicides during World War II and now a memorial and scenic overlook.
-
D.
The Bridge
The Bridge is an American crime drama television series in which Diane Kruger stars as a brilliant but socially awkward detective investigating cross-border murders on the U.S.–Mexico frontier.
-
E.
The Bridge
The Bridge is the English translation of "Die Brücke," the name of the influential early 20th-century German Expressionist artist group.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | nickname ⓘ |
| addedTo | National Register of Historic Places ⓘ |
| addedToNRHPDate | 1981 ⓘ |
| alsoKnownAs | Colorado Street Bridge ⓘ |
| carries |
pedestrian traffic
ⓘ
vehicular traffic ⓘ |
| closedFor | earthquake safety upgrades after 1989 Loma Prieta concerns ⓘ |
| crosses | Arroyo Seco ⓘ |
| designedBy | Waddell & Harrington ⓘ |
| featuredIn |
local ghost stories and urban legends
ⓘ
various films and television shows ⓘ |
| hasConstructionMaterial | reinforced concrete ⓘ |
| hasDesign | open-spandrel concrete arch bridge ⓘ |
| hasEvent | periodic memorials for suicide victims ⓘ |
| hasHeight | approximately 150 feet above Arroyo Seco ⓘ |
| hasLength | approximately 1,486 feet ⓘ |
| hasLighting | ornamental street lamps ⓘ |
| hasNicknameOrigin | suicides by jumping from the bridge ⓘ |
| hasNumberOfArches | multiple large arches ⓘ |
| hasParapet | decorative concrete railings ⓘ |
| hasReputation | haunted location ⓘ |
| hasSafetyFeature |
fencing along sidewalks
ⓘ
suicide prevention barriers ⓘ |
| hasSidewalks | sidewalks on both sides ⓘ |
| hasTrafficLanes | two lanes ⓘ |
| hasViewOf |
Arroyo Seco
ⓘ
Rose Bowl area ⓘ |
| influencedBy | early 20th-century Beaux-Arts bridge aesthetics ⓘ |
| isHistoricLandmark | true ⓘ |
| isTouristAttraction | true ⓘ |
| knownFor |
high number of suicides
ⓘ
historic concrete arch design ⓘ |
| locatedIn |
Los Angeles County, California
ⓘ
linked to:
Los Angeles County
Pasadena, California ⓘ
linked to:
Pasadena
United States ⓘ
linked to:
United States of America
|
| maintainedBy |
City of Pasadena
ⓘ
linked to:
Pasadena
|
| near |
Old Town Pasadena
ⓘ
linked to:
Old Pasadena
Pasadena City Hall ⓘ
linked to:
City Hall (Pasadena)
|
| opened | 1913 ⓘ |
| ownedBy |
City of Pasadena
ⓘ
linked to:
Pasadena
|
| partOf |
Colorado Boulevard
ⓘ
historic Route 66 corridor ⓘ |
| refersTo | Colorado Street Bridge ⓘ |
| subjectOf |
historical preservation efforts
ⓘ
suicide prevention campaigns ⓘ |
| underwent | major seismic retrofit in the 1990s ⓘ |
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: Suicide Bridge Description of subject: Suicide Bridge is the grim nickname for Pasadena’s historic Colorado Street Bridge, notorious for the large number of people who have died by jumping from it.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.