Cranbury Neck Road over Millstone River
FairMiddlesex County, New Jersey · 0.1 MI W of Groversmill · Structure no. 124B093
- Built
- 1999
- 26 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 112 ft
- 2 main spans
- Daily traffic
- 5,828
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Cranbury Neck Road over Millstone River is a prestressed concrete box beam or girders - multiple carrying Cranbury Neck Road over Millstone River in Middlesex County, New Jersey. It was built in 1999, so it is 26 years old, younger than the New Jersey average of 58.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,828 vehicles a day, roughly 3% of them trucks, projected to reach 7,112 by 2043. The structure is 112 ft (34.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cranbury Neck Road over Millstone River built?
It was built in 1999, making it 26 years old in 2025.
What condition is Cranbury Neck Road over Millstone River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.
How much traffic does Cranbury Neck Road over Millstone River carry?
About 5,828 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Cranbury Neck Road over Millstone River?
The structure is 112 ft (34.1 m) long with a longest span of 51 ft (15.5 m) and a deck 37 ft wide.
Who owns Cranbury Neck Road over Millstone River?
It is owned by the County Highway Agency.