I-80 bridge over Iowa River
E401266
The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| I-80 bridge over Iowa River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3956929 — 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: I-80 bridge over Iowa River Context triple: [Iowa River, hasBridge, I-80 bridge over Iowa River]
-
A.
Whirlpool Rapids Bridge
Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
-
B.
Main Street Bridge
Main Street Bridge is a prominent vehicular and pedestrian bridge in downtown Little Rock, Arkansas, spanning the Arkansas River and connecting Little Rock with North Little Rock.
-
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.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
- 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: I-80 bridge over Iowa River Target entity description: The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
-
A.
Whirlpool Rapids Bridge
Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
-
B.
Main Street Bridge
Main Street Bridge is a prominent vehicular and pedestrian bridge in downtown Little Rock, Arkansas, spanning the Arkansas River and connecting Little Rock with North Little Rock.
-
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.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
highway bridge
ⓘ
road bridge ⓘ |
| carries | Interstate 80 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Iowa River ⓘ |
| crossesNear | Iowa City, Iowa ⓘ |
| function | highway crossing ⓘ |
| hasName | I-80 bridge over Iowa River ⓘ |
| isPartOfCorridor | major east–west route across the United States ⓘ |
| locatedIn |
Iowa
ⓘ
United States of America ⓘ
surface form:
United States
|
| maintainedBy | Iowa Department of Transportation ⓘ |
| onRoute |
Interstate 80
ⓘ
surface form:
I-80
|
| partOf |
Interstate Highway System
ⓘ
east–west transportation corridor in the United States ⓘ |
| region | Midwestern United States ⓘ |
| roadTypeCarried | interstate highway ⓘ |
| usedFor |
interstate travel
ⓘ
vehicular traffic ⓘ |
| waterwayCrossed | Iowa River ⓘ |
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: I-80 bridge over Iowa River Description of subject: The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.