Chelmer Viaduct (A138)
E612463
Chelmer Viaduct (A138) is a road bridge in Chelmsford, Essex, carrying the A138 across the River Chelmer as part of a key local transport route.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Chelmer Viaduct (A138) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6657765 — 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: Chelmer Viaduct (A138) Context triple: [River Chelmer, hasStructure, Chelmer Viaduct (A138)]
-
A.
Chelmsford railway viaduct
Chelmsford railway viaduct is a historic multi-arch brick railway bridge in Chelmsford, Essex, carrying rail traffic across the town and its surrounding valley.
-
B.
Medway Viaducts
Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
-
C.
Thelwall Viaduct
Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
-
D.
Marple Viaduct
Marple Viaduct is a historic railway viaduct in Marple, Greater Manchester, known for its impressive multi-arch design spanning the River Goyt.
-
E.
Digswell Viaduct
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
- 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: Chelmer Viaduct (A138) Target entity description: Chelmer Viaduct (A138) is a road bridge in Chelmsford, Essex, carrying the A138 across the River Chelmer as part of a key local transport route.
-
A.
Chelmsford railway viaduct
Chelmsford railway viaduct is a historic multi-arch brick railway bridge in Chelmsford, Essex, carrying rail traffic across the town and its surrounding valley.
-
B.
Medway Viaducts
Medway Viaducts are a set of major bridges in Kent, England, carrying road and high-speed rail traffic across the River Medway as part of key national transport routes.
-
C.
Thelwall Viaduct
Thelwall Viaduct is a major motorway bridge in north-west England that carries the M6 over the River Mersey and surrounding waterways near Warrington.
-
D.
Marple Viaduct
Marple Viaduct is a historic railway viaduct in Marple, Greater Manchester, known for its impressive multi-arch design spanning the River Goyt.
-
E.
Digswell Viaduct
Digswell Viaduct is a prominent 19th-century railway viaduct in Hertfordshire, England, known for its long brick arches carrying trains high above the River Mimram and surrounding countryside.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
road bridge
ⓘ
viaduct ⓘ |
| carries | A138 road ⓘ |
| connects |
Chelmer Village area
ⓘ
linked to:
Chelmer Village
Chelmsford city centre ⓘ
linked to:
Chelmsford, Essex, England
|
| country | United Kingdom ⓘ |
| crosses | River Chelmer ⓘ |
| hasFunction | road transport ⓘ |
| hasName | Chelmer Viaduct ⓘ |
| hasRouteNumber | A138 ⓘ |
| hasTransportRole | key local transport route ⓘ |
| isPartOfRoute | A138 between Chelmsford and A12 ⓘ |
| locatedIn |
Chelmsford
ⓘ
England ⓘ Essex ⓘ United Kingdom ⓘ |
| maintainedBy | local highway authority ⓘ |
| partOf | local transport network of Chelmsford ⓘ |
| passesOver | River Chelmer floodplain ⓘ |
| region | East of England ⓘ |
| riverCrossed | River Chelmer ⓘ |
| roadClassificationCarried | A road ⓘ |
| structureType |
bridge
ⓘ
viaduct ⓘ |
| usedFor | motor vehicle 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: Chelmer Viaduct (A138) Description of subject: Chelmer Viaduct (A138) is a road bridge in Chelmsford, Essex, carrying the A138 across the River Chelmer as part of a key local transport route.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
River Chelmer (via nearby junctions and structures)