Steamboat Bill Memorial Bridge
E690035
The Steamboat Bill Memorial Bridge is a notable roadway bridge in Decatur, Alabama, commemorating the city’s historic riverboat heritage and providing a key crossing over the Tennessee River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Steamboat Bill Memorial Bridge canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5046777 — 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: Steamboat Bill Memorial Bridge Context triple: [Decatur, Alabama, hasBridge, Steamboat Bill Memorial Bridge]
-
A.
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.
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B.
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.
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C.
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.
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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.
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E.
Abraham Lincoln Bridge
The Abraham Lincoln Bridge is a major Ohio River crossing connecting Louisville, Kentucky, and Jeffersonville, Indiana, carrying northbound traffic as part of a key interstate route.
- 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: Steamboat Bill Memorial Bridge Target entity description: The Steamboat Bill Memorial Bridge is a notable roadway bridge in Decatur, Alabama, commemorating the city’s historic riverboat heritage and providing a key crossing over the Tennessee River.
-
A.
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.
-
B.
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.
-
C.
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.
-
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.
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E.
Abraham Lincoln Bridge
The Abraham Lincoln Bridge is a major Ohio River crossing connecting Louisville, Kentucky, and Jeffersonville, Indiana, carrying northbound traffic as part of a key interstate route.
- F. None of above. chosen
Statements (15)
| Predicate | Object |
|---|---|
| instanceOf |
memorial bridge
ⓘ
road bridge ⓘ |
| carries | road traffic ⓘ |
| commemorates | Decatur riverboat heritage ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| crosses | Tennessee River ⓘ |
| crossingType | roadway bridge ⓘ |
| function | key crossing over the Tennessee River near Decatur ⓘ |
| heritageType | riverboat history ⓘ |
| locatedIn |
Alabama
ⓘ
Decatur, Alabama ⓘ Morgan County, Alabama ⓘ United States ⓘ
linked to:
United States of America
|
| namedAfter | steamboat heritage of Decatur ⓘ |
| waterway | Tennessee 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: Steamboat Bill Memorial Bridge Description of subject: The Steamboat Bill Memorial Bridge is a notable roadway bridge in Decatur, Alabama, commemorating the city’s historic riverboat heritage and providing a key crossing over the Tennessee River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.