Astoria-Megler Bridge
E359459
The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Astoria–Megler Bridge | 6 |
| Astoria-Megler Bridge canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1552341 — 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: Astoria-Megler Bridge Context triple: [American Bridge Company, hasNotableProject, Astoria-Megler Bridge]
-
A.
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.
-
B.
Maurice J. Tobin Memorial Bridge
The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
-
C.
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.
-
D.
Walt Whitman Bridge
The Walt Whitman Bridge is a major suspension bridge connecting Philadelphia, Pennsylvania, to Gloucester City, New Jersey, and serving as a key highway crossing over the Delaware River.
-
E.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
- 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: Astoria-Megler Bridge Target entity description: The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
-
A.
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.
-
B.
Maurice J. Tobin Memorial Bridge
The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
-
C.
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.
-
D.
Walt Whitman Bridge
The Walt Whitman Bridge is a major suspension bridge connecting Philadelphia, Pennsylvania, to Gloucester City, New Jersey, and serving as a key highway crossing over the Delaware River.
-
E.
Mark Twain Memorial Bridge
The Mark Twain Memorial Bridge is a highway bridge over the Mississippi River near Hannibal, Missouri, named in honor of the famed American author Mark Twain.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
cantilever bridge
ⓘ
road bridge ⓘ steel bridge ⓘ truss bridge ⓘ |
| carries | U.S. Route 101 ⓘ |
| connects |
Astoria, Oregon
ⓘ
Megler, Washington ⓘ Point Ellice, Washington ⓘ |
| constructionStarted | 1962 ⓘ |
| crosses | Columbia River ⓘ |
| crossesAt | mouth of the Columbia River ⓘ |
| dedicatedOn | 1966-08-27 ⓘ |
| design | steel cantilever through-truss ⓘ |
| hasFunction | vehicular traffic crossing ⓘ |
| hasLocale |
Astoria, Oregon
ⓘ
surface form:
Astoria, Oregon and Megler, Washington
|
| hasMaterial | steel ⓘ |
| hasNumberOfLanes | 2 ⓘ |
| hasSegmentOver | Columbia River estuary ⓘ |
| hasToll | no ⓘ |
| hasType | fixed-link river crossing ⓘ |
| isLandmarkOf | Astoria, Oregon ⓘ |
| isLocatedOnRoute | U.S. West Coast route ⓘ |
| isPartOf |
transportation infrastructure of Oregon
ⓘ
transportation infrastructure of Washington ⓘ |
| length |
about 4.1 miles
ⓘ
approximately 6.6 kilometers ⓘ |
| locatedIn |
Oregon
ⓘ
Pacific Northwest ⓘ United States of America ⓘ
surface form:
United States
Washington ⓘ |
| locatedNear |
Astoria waterfront
ⓘ
surface form:
Astoria, Oregon waterfront
Pacific Ocean ⓘ |
| maintainedBy | Oregon Department of Transportation ⓘ |
| namedAfter |
Astoria
ⓘ
Megler ⓘ |
| notableFor | being a major crossing of the lower Columbia River ⓘ |
| opened | 1966 ⓘ |
| openedToTrafficOn | 1966-08-27 ⓘ |
| owner |
Oregon
ⓘ
surface form:
State of Oregon
|
| partOf |
U.S. Route 101
ⓘ
surface form:
U.S. Route 101 corridor
|
| regionServed |
Clatsop County, Oregon
NERFINISHED
ⓘ
Pacific County, Washington NERFINISHED ⓘ |
| replaced | Astoria–Megler ferry service ⓘ |
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: Astoria-Megler Bridge Description of subject: The Astoria-Megler Bridge is a long steel cantilever bridge spanning the mouth of the Columbia River, connecting Astoria, Oregon, to Point Ellice near Megler, Washington.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Astoria, Oregon
this entity surface form:
Astoria–Megler Bridge
this entity surface form:
Astoria–Megler Bridge
this entity surface form:
Astoria–Megler Bridge
this entity surface form:
Astoria–Megler Bridge
U.S. Route 30 (via Columbia River crossings nearby)
→
hasMajorRiverCrossingNearby
→
Astoria-Megler Bridge
ⓘ
subject surface form:
U.S. Route 30
this entity surface form:
Astoria–Megler Bridge
this entity surface form:
Astoria–Megler Bridge