Severn River Bridge
E896390
The Severn River Bridge is a major roadway bridge in Maryland that carries U.S. Route 50/301 across the Severn River near Annapolis, serving as a key transportation link between the Baltimore–Washington area and Maryland’s Eastern Shore.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Severn River Bridge canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9228672 — 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: Severn River Bridge Context triple: [Severn River, hasLandmarkOnShore, Severn River 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.
Rockville Bridge
Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
-
C.
Tudor City Bridge
Tudor City Bridge is an elevated pedestrian overpass in Midtown Manhattan that connects the Tudor City residential complex to the surrounding streets and offers notable views over 42nd Street and the East River.
-
D.
Sagadahoc Bridge
The Sagadahoc Bridge is a highway bridge spanning the Kennebec River in Maine, carrying U.S. Route 1 between the cities of Bath and Woolwich.
-
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: Severn River Bridge Target entity description: The Severn River Bridge is a major roadway bridge in Maryland that carries U.S. Route 50/301 across the Severn River near Annapolis, serving as a key transportation link between the Baltimore–Washington area and Maryland’s Eastern Shore.
-
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.
Rockville Bridge
Rockville Bridge is a historic Pennsylvania railroad bridge renowned as one of the longest stone masonry arch bridges in the world.
-
C.
Tudor City Bridge
Tudor City Bridge is an elevated pedestrian overpass in Midtown Manhattan that connects the Tudor City residential complex to the surrounding streets and offers notable views over 42nd Street and the East River.
-
D.
Sagadahoc Bridge
The Sagadahoc Bridge is a highway bridge spanning the Kennebec River in Maine, carrying U.S. Route 1 between the cities of Bath and Woolwich.
-
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 (30)
| Predicate | Object |
|---|---|
| instanceOf |
highway bridge
ⓘ
road bridge ⓘ |
| approachFromEast |
Arnold and Broadneck Peninsula area
ⓘ
linked to:
Broadneck Peninsula
|
| approachFromWest | Annapolis area ⓘ |
| carries |
U.S. Route 301
ⓘ
U.S. Route 50 ⓘ |
| connects |
Baltimore–Washington metropolitan area
ⓘ
Maryland’s Eastern Shore ⓘ
linked to:
Eastern Shore of Maryland
|
| crosses | Severn River ⓘ |
| crossesNearMouthOf | Severn River ⓘ |
| hasFunction | key transportation link ⓘ |
| hasLanes | multiple traffic lanes ⓘ |
| hasToll | no ⓘ |
| isUpstreamOf | Chesapeake Bay Bridge ⓘ |
| locatedIn |
Maryland
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedNear | Annapolis, Maryland ⓘ |
| maintainedBy | Maryland State Highway Administration ⓘ |
| namedAfter | Severn River ⓘ |
| onCorridorTo |
Atlantic beaches
ⓘ
Delaware ⓘ Ocean City, Maryland ⓘ |
| partOf |
U.S. Highway System
ⓘ
linked to:
United States Numbered Highway System
U.S. Route 301 corridor ⓘ
linked to:
U.S. Route 301
U.S. Route 50 corridor ⓘ
linked to:
U.S. Route 50
primary route between Washington, D.C. area and Maryland Eastern Shore ⓘ |
| regionServed |
Anne Arundel County, Maryland
ⓘ
linked to:
Anne Arundel County
|
| roadType | limited-access highway bridge ⓘ |
| serves | commuters between Western Shore and Eastern Shore of Maryland ⓘ |
| usedFor | vehicular traffic ⓘ |
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: Severn River Bridge Description of subject: The Severn River Bridge is a major roadway bridge in Maryland that carries U.S. Route 50/301 across the Severn River near Annapolis, serving as a key transportation link between the Baltimore–Washington area and Maryland’s Eastern Shore.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.