Piscataqua River Bridge
E179092
The Piscataqua River Bridge is a major highway bridge carrying Interstate 95 over the Piscataqua River between Maine and New Hampshire in the northeastern United States.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Piscataqua River Bridge canonical | 5 |
| US Route 1 Bypass Bridge as primary interstate crossing of the Piscataqua River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1526837 — 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: Piscataqua River Bridge Context triple: [Maine–New Hampshire border, crossedBy, Piscataqua River Bridge]
-
A.
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.
-
B.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
C.
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.
-
D.
Maurice J. Tobin Memorial Bridge
The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
-
E.
Washington Road bridge
The Washington Road bridge is a roadway bridge spanning Lake Carnegie near Princeton University, carrying Washington Road across the lake and connecting the campus with surrounding areas.
- 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: Piscataqua River Bridge Target entity description: The Piscataqua River Bridge is a major highway bridge carrying Interstate 95 over the Piscataqua River between Maine and New Hampshire in the northeastern United States.
-
A.
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.
-
B.
Sagamore Bridge
Sagamore Bridge is a major highway bridge in Massachusetts that carries traffic over the Cape Cod Canal, serving as one of the primary gateways to Cape Cod.
-
C.
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.
-
D.
Maurice J. Tobin Memorial Bridge
The Maurice J. Tobin Memorial Bridge is a major steel cantilever bridge in Boston, Massachusetts, carrying U.S. Route 1 over the Mystic River between Charlestown and Chelsea.
-
E.
Washington Road bridge
The Washington Road bridge is a roadway bridge spanning Lake Carnegie near Princeton University, carrying Washington Road across the lake and connecting the campus with surrounding areas.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
highway bridge
ⓘ
through-arch bridge ⓘ |
| approachRoad |
Maine Turnpike
ⓘ
Spaulding Turnpike ⓘ
surface form:
New Hampshire Turnpike
|
| carries |
Interstate 95
ⓘ
six lanes of traffic ⓘ |
| category |
Bridges between Maine and New Hampshire
ⓘ
Interstate 95 bridge over Occoquan River ⓘ
surface form:
Interstate 95 bridges
Road bridges in Maine ⓘ Road bridges in New Hampshire ⓘ |
| connects |
Maine
ⓘ
New Hampshire ⓘ |
| constructionBegan | 1968 ⓘ |
| crosses | Piscataqua River ⓘ |
| crossesBorderBetween |
New Hampshire and Maine
ⓘ
surface form:
Maine and New Hampshire
|
| deckType | road deck ⓘ |
| function | interstate transportation link ⓘ |
| hasJurisdiction | shared between Maine and New Hampshire ⓘ |
| hasLaneCount | 6 ⓘ |
| hasToll | yes, on Maine Turnpike side ⓘ |
| isMajorCrossingOf |
Piscataqua River
ⓘ
surface form:
Piscataqua River estuary
|
| locatedIn |
United States of America
ⓘ
surface form:
United States
|
| locatedInRegion | New England ⓘ |
| locatedInState |
Maine
ⓘ
New Hampshire ⓘ |
| locatedNearCity |
Kittery, Maine
NERFINISHED
ⓘ
Portsmouth, New Hampshire ⓘ |
| maintainedBy |
Maine Turnpike Authority
ⓘ
New Hampshire Department of Transportation ⓘ |
| namedAfter | Piscataqua River ⓘ |
| opened | 1972 ⓘ |
| partOf |
Interstate 95
ⓘ
Interstate Highway System ⓘ Maine Turnpike ⓘ Spaulding Turnpike ⓘ
surface form:
New Hampshire Turnpike
|
| partOfCorridor |
Maine Turnpike
ⓘ
surface form:
Boston-to-Portland interstate corridor
|
| region |
Northeastern United States
ⓘ
surface form:
northeastern United States
|
| replaced |
Piscataqua River Bridge
self-linksurface differs
ⓘ
surface form:
US Route 1 Bypass Bridge as primary interstate crossing of the Piscataqua River
|
| riverMouthLeadsTo | Atlantic Ocean ⓘ |
| roadwayType | controlled-access highway ⓘ |
| safetyImprovements | underwent rehabilitation and safety upgrades in the 21st century ⓘ |
| significance | major highway bridge in northern New England ⓘ |
| structureMaterial | steel ⓘ |
| tollingAuthority | Maine Turnpike Authority ⓘ |
| trafficDirection | bidirectional ⓘ |
| usedFor |
automobile traffic
ⓘ
truck 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: Piscataqua River Bridge Description of subject: The Piscataqua River Bridge is a major highway bridge carrying Interstate 95 over the Piscataqua River between Maine and New Hampshire in the northeastern United States.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
US Route 1 Bypass Bridge as primary interstate crossing of the Piscataqua River