Rockville Bridge
E438471
Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rockville Bridge canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2077426 — 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: Rockville Bridge Context triple: [Susquehanna River, crossedBy, Rockville Bridge]
-
A.
Benning Road Bridge
Benning Road Bridge is a roadway bridge in Washington, D.C., that carries Benning Road across the Anacostia River, connecting neighborhoods east and west of the river.
-
B.
M Street Bridge
The M Street Bridge was a former Sacramento River crossing in California that preceded and was ultimately replaced by the iconic Tower Bridge.
-
C.
East Capitol Street Bridge
The East Capitol Street Bridge is a major roadway bridge in Washington, D.C., carrying East Capitol Street across the Anacostia River and connecting central Washington to neighborhoods east of the river.
-
D.
14th Street Bridge
The 14th Street Bridge is a major bridge complex over the Potomac River in the Washington, D.C. area that carries multiple highway and rail routes between Virginia and the nation’s capital.
-
E.
Forth Road Bridge
The Forth Road Bridge is a major suspension bridge in eastern Scotland that carries road traffic across the Firth of Forth, linking Edinburgh to Fife.
- 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: Rockville Bridge Target entity description: Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
-
A.
Benning Road Bridge
Benning Road Bridge is a roadway bridge in Washington, D.C., that carries Benning Road across the Anacostia River, connecting neighborhoods east and west of the river.
-
B.
M Street Bridge
The M Street Bridge was a former Sacramento River crossing in California that preceded and was ultimately replaced by the iconic Tower Bridge.
-
C.
East Capitol Street Bridge
The East Capitol Street Bridge is a major roadway bridge in Washington, D.C., carrying East Capitol Street across the Anacostia River and connecting central Washington to neighborhoods east of the river.
-
D.
14th Street Bridge
The 14th Street Bridge is a major bridge complex over the Potomac River in the Washington, D.C. area that carries multiple highway and rail routes between Virginia and the nation’s capital.
-
E.
Forth Road Bridge
The Forth Road Bridge is a major suspension bridge in eastern Scotland that carries road traffic across the Firth of Forth, linking Edinburgh to Fife.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic structure
ⓘ
railroad bridge ⓘ stone masonry arch bridge ⓘ |
| architecturalStyle | stone arch bridge ⓘ |
| builder |
Pennsylvania Railroad
ⓘ
linked to:
Pennsylvania Railroad Company
|
| constructionMaterial |
concrete (for later repairs and modifications)
ⓘ
sandstone ⓘ |
| constructionMethod | masonry ⓘ |
| constructionStartDate | 1900 ⓘ |
| country | United States of America ⓘ |
| crosses | Susquehanna River ⓘ |
| crossesAt |
Susquehanna River north of Harrisburg
ⓘ
linked to:
Susquehanna River
|
| currentRailLine | Norfolk Southern Pittsburgh Line ⓘ |
| function | rail transport ⓘ |
| hasCategory |
Bridges completed in 1902
ⓘ
Bridges over the Susquehanna River ⓘ National Register of Historic Places in Dauphin County, Pennsylvania ⓘ Pennsylvania Railroad bridges ⓘ Railroad bridges in Pennsylvania ⓘ Stone arch bridges in the United States ⓘ |
| hasDesign | stone arch ⓘ |
| hasSuperstructureType | stone arch ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| length |
approximately 1164 meters
ⓘ
approximately 3820 feet ⓘ |
| locatedIn | Dauphin County, Pennsylvania ⓘ |
| locatedNear |
Harrisburg, Pennsylvania
ⓘ
Marysville, Pennsylvania ⓘ |
| maintainedBy | Norfolk Southern Railway ⓘ |
| material | stone ⓘ |
| nearbySettlement | Rockville, Pennsylvania ⓘ |
| notableFor | being one of the longest stone masonry arch railroad bridges in the world ⓘ |
| NRHPListingDate | 1975 ⓘ |
| NRHPType | structure ⓘ |
| numberOfSpans | 48 ⓘ |
| opened | 1902 ⓘ |
| originalOwner |
Pennsylvania Railroad
ⓘ
linked to:
Pennsylvania Railroad Company
|
| ownedBy | Norfolk Southern Railway ⓘ |
| partOf | former Pennsylvania Railroad main line ⓘ |
| replaced | earlier iron bridge at same location ⓘ |
| riverBankConnection | connects east and west banks of the Susquehanna River ⓘ |
| significance | important freight rail crossing of the Susquehanna River ⓘ |
| state | Pennsylvania ⓘ |
| status | in use ⓘ |
| trafficType | rail ⓘ |
| usedBy |
Norfolk Southern Railway
ⓘ
freight trains ⓘ |
| width | approximately 52 feet ⓘ |
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: Rockville Bridge Description of subject: Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.