Glenn L. Jackson Memorial Bridge
E389203
The Glenn L. Jackson Memorial Bridge is a major concrete segmental bridge carrying traffic across the Columbia River between Oregon and Washington as part of the Portland metropolitan highway system.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Glenn L. Jackson Memorial Bridge canonical | 6 |
| Lewis and Clark Bridge | 2 |
| Interstate 205 Bridge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1708365 — 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: Glenn L. Jackson Memorial Bridge Context triple: [Interstate 205, crossesVia, Glenn L. Jackson Memorial Bridge]
-
A.
Lacey V. Murrow Memorial Bridge
The Lacey V. Murrow Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington, connecting Seattle to its eastern suburbs.
-
B.
Arland D. Williams Jr. Memorial Bridge
The Arland D. Williams Jr. Memorial Bridge is a Potomac River crossing in Washington, D.C., named in honor of an Air Florida Flight 90 crash hero and carrying traffic as part of the 14th Street Bridge complex.
-
C.
Homer M. Hadley Memorial Bridge
The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
-
D.
Grenville Dodge Memorial Bridge
The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
-
E.
John F. McCarthy Memorial Bridge
The John F. McCarthy Memorial Bridge is a major toll bridge in the San Francisco Bay Area that carries Interstate 580 across San Francisco Bay between Richmond and San Rafael, California.
- 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: Glenn L. Jackson Memorial Bridge Target entity description: The Glenn L. Jackson Memorial Bridge is a major concrete segmental bridge carrying traffic across the Columbia River between Oregon and Washington as part of the Portland metropolitan highway system.
-
A.
Lacey V. Murrow Memorial Bridge
The Lacey V. Murrow Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington, connecting Seattle to its eastern suburbs.
-
B.
Arland D. Williams Jr. Memorial Bridge
The Arland D. Williams Jr. Memorial Bridge is a Potomac River crossing in Washington, D.C., named in honor of an Air Florida Flight 90 crash hero and carrying traffic as part of the 14th Street Bridge complex.
-
C.
Homer M. Hadley Memorial Bridge
The Homer M. Hadley Memorial Bridge is a major floating bridge in Washington State that carries Interstate 90 across Lake Washington between Seattle and Mercer Island.
-
D.
Grenville Dodge Memorial Bridge
The Grenville Dodge Memorial Bridge is a major highway bridge in the Omaha–Council Bluffs area that carries Interstate 480 across the Missouri River between Nebraska and Iowa.
-
E.
John F. McCarthy Memorial Bridge
The John F. McCarthy Memorial Bridge is a major toll bridge in the San Francisco Bay Area that carries Interstate 580 across San Francisco Bay between Richmond and San Rafael, California.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
concrete segmental bridge ⓘ road bridge ⓘ |
| carries |
I-205 Glenn Jackson Bridge
NERFINISHED
ⓘ
Interstate 205 NERFINISHED ⓘ motor vehicle traffic ⓘ |
| connects |
Portland, Oregon, United States
ⓘ
surface form:
Portland, Oregon
Vancouver, Washington ⓘ |
| crosses | Columbia River ⓘ |
| crossesBorderBetween | Oregon and Washington ⓘ |
| hasAlternativeName |
Glenn Jackson Bridge
NERFINISHED
ⓘ
I-205 Bridge NERFINISHED ⓘ |
| hasApproachOn |
Oregon side
ⓘ
Washington side ⓘ |
| hasConstructionType | segmental construction ⓘ |
| hasDesign | segmental box girder ⓘ |
| hasFunction | regional traffic bypass of central Portland ⓘ |
| hasLength |
approximately 11,750 feet
ⓘ
approximately 3,580 meters ⓘ |
| hasLocale | Portland metropolitan area ⓘ |
| hasMainSpan | about 600 feet ⓘ |
| hasNumberOfDecks | 2 ⓘ |
| hasNumberOfLanes | 8 ⓘ |
| hasNumberOfRoadways | 2 ⓘ |
| hasOwner |
Oregon
ⓘ
surface form:
State of Oregon
Washington State, United States ⓘ
surface form:
State of Washington
|
| hasToll | no ⓘ |
| hasTrafficDirection | bidirectional ⓘ |
| isPartOfRoute | north–south bypass of Portland ⓘ |
| locatedIn |
Oregon
ⓘ
United States of America ⓘ
surface form:
United States
Washington ⓘ |
| maintainedBy |
Oregon Department of Transportation
ⓘ
Washington State Department of Transportation ⓘ |
| material | reinforced concrete ⓘ |
| namedAfter | Glenn L. Jackson NERFINISHED ⓘ |
| opened |
1982
ⓘ
December 1982 ⓘ |
| parallelTo |
Interstate Bridge
ⓘ
surface form:
Interstate 5 crossing of the Columbia River
|
| partOf |
Interstate Highway System
ⓘ
Portland freeway system ⓘ
surface form:
Portland metropolitan area highway system
|
| passesNear | Portland International Airport ⓘ |
| regionServed |
Portland–Vancouver–Hillsboro, OR–WA Metropolitan Statistical Area
ⓘ
surface form:
Portland–Vancouver metropolitan area
|
| usedFor |
commuter traffic
ⓘ
freight transport ⓘ |
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: Glenn L. Jackson Memorial Bridge Description of subject: The Glenn L. Jackson Memorial Bridge is a major concrete segmental bridge carrying traffic across the Columbia River between Oregon and Washington as part of the Portland metropolitan highway system.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lewis and Clark Bridge
this entity surface form:
Lewis and Clark Bridge
U.S. Route 30 (via Columbia River crossings nearby)
→
hasMajorRiverCrossingNearby
→
Glenn L. Jackson Memorial Bridge
ⓘ
subject surface form:
U.S. Route 30
this entity surface form:
Interstate 205 Bridge
U.S. Route 30 (via Columbia River crossings nearby)
→
hasMajorRiverCrossingNearby
→
Glenn L. Jackson Memorial Bridge
ⓘ
subject surface form:
U.S. Route 30