Rock River bridge
E522021
Rock River bridge is a notable local bridge in Rock Rapids, Iowa, spanning the Rock River and serving as an important transportation and community landmark.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rock River bridge canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2941459 — 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: Rock River bridge Context triple: [Rock Rapids, Iowa, hasFeature, Rock River bridge]
-
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.
Harry W. Nice Memorial Bridge
The Harry W. Nice Memorial Bridge is a major highway bridge carrying U.S. Route 301 across the Potomac River between Maryland and Virginia.
-
D.
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.
-
E.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
- 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: Rock River bridge Target entity description: Rock River bridge is a notable local bridge in Rock Rapids, Iowa, spanning the Rock River and serving as an important transportation and community landmark.
-
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.
Harry W. Nice Memorial Bridge
The Harry W. Nice Memorial Bridge is a major highway bridge carrying U.S. Route 301 across the Potomac River between Maryland and Virginia.
-
D.
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.
-
E.
Kinzie Street Railroad Bridge
The Kinzie Street Railroad Bridge is a historic, early 20th-century vertical-lift railroad bridge in downtown Chicago, notable as one of the city’s iconic industrial-era river crossings.
- F. None of above. chosen
Statements (17)
| Predicate | Object |
|---|---|
| instanceOf |
bridge
ⓘ
transportation infrastructure ⓘ |
| crosses | Rock River ⓘ |
| function | road transportation ⓘ |
| hasName | Rock River bridge ⓘ |
| locatedIn |
Iowa
ⓘ
Lyon County, Iowa ⓘ Rock Rapids, Iowa ⓘ United States ⓘ
linked to:
United States of America
|
| partOf | local road network of Rock Rapids ⓘ |
| role |
community landmark
ⓘ
local transportation link ⓘ |
| significance |
important to local traffic in Rock Rapids
ⓘ
notable local bridge in Rock Rapids ⓘ |
| usedBy |
local residents of Rock Rapids
ⓘ
motor vehicles ⓘ visitors to Rock Rapids ⓘ |
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: Rock River bridge Description of subject: Rock River bridge is a notable local bridge in Rock Rapids, Iowa, spanning the Rock River and serving as an important transportation and community landmark.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.