Sarah Mildred Long Bridge
E354583
The Sarah Mildred Long Bridge is a vehicular and railroad bridge spanning the Piscataqua River, connecting the states of Maine and New Hampshire in the northeastern United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sarah Mildred Long Bridge canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1526838 — 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: Sarah Mildred Long Bridge Context triple: [Maine–New Hampshire border, crossedBy, Sarah Mildred Long Bridge]
-
A.
Bob Sikes Bridge
Bob Sikes Bridge is a causeway in Florida that connects the city of Gulf Breeze to Pensacola Beach across the Santa Rosa Sound.
-
B.
Hawthorne Bridge
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
-
C.
William Edwards Bridge
William Edwards Bridge is an 18th-century stone arch bridge in Pontypridd, Wales, renowned for its elegant single-span design and historical significance.
-
D.
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.
-
E.
Liberty Bridge
Liberty Bridge is a distinctive pedestrian suspension bridge in downtown Greenville, South Carolina, renowned for its curved design and views over Falls Park on the Reedy.
- 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: Sarah Mildred Long Bridge Target entity description: The Sarah Mildred Long Bridge is a vehicular and railroad bridge spanning the Piscataqua River, connecting the states of Maine and New Hampshire in the northeastern United States.
-
A.
Bob Sikes Bridge
Bob Sikes Bridge is a causeway in Florida that connects the city of Gulf Breeze to Pensacola Beach across the Santa Rosa Sound.
-
B.
Hawthorne Bridge
Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
-
C.
William Edwards Bridge
William Edwards Bridge is an 18th-century stone arch bridge in Pontypridd, Wales, renowned for its elegant single-span design and historical significance.
-
D.
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.
-
E.
Liberty Bridge
Liberty Bridge is a distinctive pedestrian suspension bridge in downtown Greenville, South Carolina, renowned for its curved design and views over Falls Park on the Reedy.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
road–rail bridge
ⓘ
vertical-lift bridge ⓘ |
| authorityInvolved | Maine-New Hampshire Interstate Bridge Authority ⓘ |
| carries |
U.S. Route 1 Bypass
ⓘ
railroad traffic ⓘ |
| category |
Bridges between Maine and New Hampshire
ⓘ
Railroad bridges in Maine ⓘ Railroad bridges in New Hampshire ⓘ Road bridges in Maine ⓘ Road bridges in New Hampshire ⓘ Vertical lift bridges in the United States ⓘ |
| connects |
Kittery, Maine
ⓘ
Portsmouth, New Hampshire ⓘ |
| constructionBegan | 2015 ⓘ |
| crosses | Piscataqua River ⓘ |
| design |
fixed high-level roadway approaches
ⓘ
vertical-lift span for rail ⓘ |
| function |
rail traffic
ⓘ
vehicular traffic ⓘ |
| hasLiftSpan | yes ⓘ |
| hasToll | no ⓘ |
| locatedIn |
Maine
ⓘ
New Hampshire ⓘ United States ⓘ
linked to:
United States of America
|
| locatedNear | Portsmouth Naval Shipyard ⓘ |
| maintainedBy |
Maine Department of Transportation
ⓘ
New Hampshire Department of Transportation ⓘ |
| namedAfter | Sarah Mildred Long ⓘ |
| namedForRole | Sarah Mildred Long’s service with Maine-New Hampshire Interstate Bridge Authority ⓘ |
| navigationClearanceImprovedComparedTo | original Sarah Mildred Long Bridge ⓘ |
| oldBridgeCarried |
Boston and Maine Railroad line
ⓘ
linked to:
Boston–Portland main line
US 1 Bypass ⓘ
linked to:
U.S. Route 1 Bypass
|
| oldBridgeClosed | 2016 ⓘ |
| oldBridgeOpened | 1940 ⓘ |
| oldBridgeType | double-deck vertical-lift bridge ⓘ |
| oneOfThreeMajorCrossingsOf |
Piscataqua River between Maine and New Hampshire
ⓘ
linked to:
Piscataqua River
|
| opened | 2018 ⓘ |
| parallelTo |
Memorial Bridge
ⓘ
Piscataqua River Bridge ⓘ |
| partOf |
Interstate 95 corridor
ⓘ
linked to:
Interstate 95
|
| purpose | improve highway and rail access across Piscataqua River ⓘ |
| region | New England ⓘ |
| replaced | original 1940 Sarah Mildred Long Bridge ⓘ |
| replacedStructureDemolished | 2017 ⓘ |
| riverMouthProximity | near Atlantic Ocean ⓘ |
| usedBy |
freight trains
ⓘ
motor vehicles ⓘ |
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: Sarah Mildred Long Bridge Description of subject: The Sarah Mildred Long Bridge is a vehicular and railroad bridge spanning the Piscataqua River, connecting the states of Maine and New Hampshire in the northeastern United States.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.