Burnside Bridge
E58939
Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Burnside Bridge canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T470777 — 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: Burnside Bridge Context triple: [Antietam Creek, crossedBy, Burnside Bridge]
-
A.
Harpers Ferry railroad bridge over Potomac River
The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
-
B.
Francis Scott Key Bridge (Baltimore)
The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
-
C.
Longfellow Bridge
Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
-
D.
Woodrow Wilson Bridge
The Woodrow Wilson Bridge is a major bascule highway bridge carrying the Capital Beltway (I-95/I-495) between Virginia and Maryland just south of Washington, D.C.
-
E.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
- 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: Burnside Bridge Target entity description: Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
-
A.
Harpers Ferry railroad bridge over Potomac River
The Harpers Ferry railroad bridge over the Potomac River is a historic rail crossing that links Harpers Ferry, West Virginia, with Maryland, serving as a key transportation and Civil War–era landmark in the region.
-
B.
Francis Scott Key Bridge (Baltimore)
The Francis Scott Key Bridge in Baltimore is a major steel arch bridge spanning the Patapsco River and forming part of the Baltimore Beltway, named in honor of the author of the U.S. national anthem.
-
C.
Longfellow Bridge
Longfellow Bridge is a historic steel and granite bridge in Boston, Massachusetts, known for carrying road and rail traffic between Boston and Cambridge across the Charles River.
-
D.
Woodrow Wilson Bridge
The Woodrow Wilson Bridge is a major bascule highway bridge carrying the Capital Beltway (I-95/I-495) between Virginia and Maryland just south of Washington, D.C.
-
E.
Memorial Bridge
Memorial Bridge is a prominent ceremonial bridge spanning the Potomac River, symbolically linking Arlington National Cemetery with the Lincoln Memorial in Washington, D.C.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
stone arch bridge ⓘ |
| alsoKnownAs |
Rohrbach’s Bridge
ⓘ
surface form:
Rohrbach Bridge
Rohrbach’s Bridge ⓘ |
| associatedWithConflict | American Civil War ⓘ |
| associatedWithEvent | Battle of Antietam ⓘ |
| attackedBy | Union forces ⓘ |
| battleFront | Union Ninth Corps front ⓘ |
| category |
American Civil War sites in Maryland
ⓘ
Bridges completed in 1836 ⓘ Bridges in Maryland ⓘ Stone arch bridges in the United States ⓘ Transportation buildings and structures in Washington County, Maryland ⓘ |
| commandersInvolved |
Confederate Brigadier General Robert Toombs
ⓘ
Robert E. Lee ⓘ
surface form:
Confederate General Robert E. Lee
Major General Ambrose E. Burnside ⓘ |
| constructionStartDate | 1836 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Washington County ⓘ |
| crosses | Antietam Creek ⓘ |
| currentUse | pedestrian bridge ⓘ |
| defendedBy | Confederate forces ⓘ |
| featuredIn |
American Civil War battlefield tours
ⓘ
Civil War histories ⓘ |
| hasNearbyCemetery | Antietam National Cemetery ⓘ |
| hasNearbyMonument | Burnside Bridge overlook markers ⓘ |
| heritageDesignation | contributing structure to Antietam National Battlefield National Historic Landmark ⓘ |
| inaugurationDate | 1836 ⓘ |
| locatedIn |
Antietam National Battlefield
ⓘ
Maryland ⓘ United States of America ⓘ
surface form:
United States
Washington County, Maryland ⓘ |
| maintainedBy |
National Park Service
ⓘ
surface form:
U.S. National Park Service
|
| materialUsed | local limestone ⓘ |
| namedAfter | Ambrose Burnside ⓘ |
| nearestCity | Sharpsburg, Maryland ⓘ |
| numberOfSpans | 3 ⓘ |
| originalUse | vehicular bridge ⓘ |
| ownership |
United States government
ⓘ
surface form:
United States federal government
|
| partOf |
Antietam National Battlefield
ⓘ
surface form:
Antietam National Battlefield National Historic Landmark
|
| roleInBattle |
focal point of intense fighting during the Battle of Antietam
ⓘ
key crossing point over Antietam Creek ⓘ |
| significantDate | 1862-09-17 ⓘ |
| state | Maryland ⓘ |
| strategicImportance | control of crossing enabled Union advance toward Sharpsburg ⓘ |
| structureType | closed-spandrel stone arch bridge ⓘ |
| touristAttraction | yes ⓘ |
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: Burnside Bridge Description of subject: Burnside Bridge is a historic stone arch bridge in Maryland best known as a focal point of intense fighting during the American Civil War’s Battle of Antietam.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Antietam Creek