Nj 18 NB over Westons Mill Pond
FairMiddlesex County, New Jersey · 0.3 MI S of US 1 JCT · Structure no. 1213150
- Built
- 1931
- 94 years old, rebuilt 1992
- Condition
- Fair
- inspected June 2024
- Type
- Arch - Deck
- Concrete
- Length
- 228 ft
- 3 main spans
- Daily traffic
- 47,603
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 18 NB over Westons Mill Pond is a concrete arch - deck carrying Nj 18 NB over Westons Mill Pond in Middlesex County, New Jersey. It was built in 1931 and reconstructed in 1992, so it is 94 years old, older 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 47,603 vehicles a day, roughly 4% of them trucks, projected to reach 58,085 by 2042. The structure is 228 ft (69.5 m) long and 64 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 18 NB over Westons Mill Pond built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1992.
What condition is Nj 18 NB over Westons Mill Pond 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 June 2024.
How much traffic does Nj 18 NB over Westons Mill Pond carry?
About 47,603 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Nj 18 NB over Westons Mill Pond?
The structure is 228 ft (69.5 m) long with a longest span of 82 ft (25 m) and a deck 64 ft wide.
Who owns Nj 18 NB over Westons Mill Pond?
It is owned by the State Highway Agency.