Market Street Bridge
E1000317
Market Street Bridge is a notable roadway bridge in Ottumwa, Iowa, that carries traffic across the Des Moines River near the city’s downtown.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Market Street Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11485954 — 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: Market Street Bridge Context triple: [Ottumwa, Iowa, hasRiverCrossing, Market Street Bridge]
-
A.
Market Street Bridge
The Market Street Bridge is a historic steel truss bridge spanning the Ohio River, connecting Steubenville, Ohio, with neighboring communities in West Virginia.
-
B.
Market Street Bridge
The Market Street Bridge is a historic multi-span bridge in Harrisburg, Pennsylvania, that carries Market Street across the Susquehanna River and serves as a key connection between the city and its western suburbs.
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C.
Market Street Bridge
Market Street Bridge is a key vehicular and pedestrian bridge in Williamsport, Pennsylvania, that spans the West Branch Susquehanna River and connects the city to surrounding communities.
-
D.
Fremont Bridge
The Fremont Bridge is a historic double-leaf bascule drawbridge in Seattle, Washington, known for its distinctive blue-and-orange paint and frequent openings to accommodate boat traffic.
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E.
Fremont Bridge
The Fremont Bridge is a prominent tied-arch freeway bridge in Portland, Oregon, known for carrying Interstate 405 across the Willamette River and being one of the city's most recognizable landmarks.
- 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: Market Street Bridge Target entity description: Market Street Bridge is a notable roadway bridge in Ottumwa, Iowa, that carries traffic across the Des Moines River near the city’s downtown.
-
A.
Market Street Bridge
The Market Street Bridge is a historic steel truss bridge spanning the Ohio River, connecting Steubenville, Ohio, with neighboring communities in West Virginia.
-
B.
Market Street Bridge
Market Street Bridge is a key vehicular and pedestrian bridge in Williamsport, Pennsylvania, that spans the West Branch Susquehanna River and connects the city to surrounding communities.
-
C.
Market Street Bridge
The Market Street Bridge is a historic multi-span bridge in Harrisburg, Pennsylvania, that carries Market Street across the Susquehanna River and serves as a key connection between the city and its western suburbs.
-
D.
Fremont Bridge
The Fremont Bridge is a historic double-leaf bascule drawbridge in Seattle, Washington, known for its distinctive blue-and-orange paint and frequent openings to accommodate boat traffic.
-
E.
Fremont Bridge
The Fremont Bridge is a prominent tied-arch freeway bridge in Portland, Oregon, known for carrying Interstate 405 across the Willamette River and being one of the city's most recognizable landmarks.
- F. None of above. chosen
Statements (13)
| Predicate | Object |
|---|---|
| instanceOf |
highway bridge
ⓘ
road bridge ⓘ |
| carries |
motor vehicles
ⓘ
road traffic ⓘ |
| crosses | Des Moines River ⓘ |
| crossesAt |
Des Moines River in Ottumwa
ⓘ
linked to:
Des Moines River
|
| hasName | Market Street Bridge ⓘ |
| locatedIn |
Iowa
ⓘ
Ottumwa, Iowa ⓘ United States ⓘ
linked to:
United States of America
Wapello County, Iowa NERFINISHED ⓘ |
| locatedNear | downtown Ottumwa ⓘ |
| namedAfter | Market Street (Ottumwa) ⓘ |
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: Market Street Bridge Description of subject: Market Street Bridge is a notable roadway bridge in Ottumwa, Iowa, that carries traffic across the Des Moines River near the city’s downtown.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.