Nj 18 over Mine Brook
GoodMonmouth County, New Jersey · 1.5 MI N of Nj 34 JCT · Structure no. 1324151
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected July 2024
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 54,203
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 18 over Mine Brook is a concrete culvert carrying Nj 18 over Mine Brook in Monmouth County, New Jersey. It was built in 1973, so it is 52 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 54,203 vehicles a day, roughly 5% of them trucks, projected to reach 65,043 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 18 over Mine Brook built?
It was built in 1973, making it 52 years old in 2025.
What condition is Nj 18 over Mine Brook in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does Nj 18 over Mine Brook carry?
About 54,203 vehicles per day (2024 count), of which roughly 5% are trucks.
How long is Nj 18 over Mine Brook?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).
Who owns Nj 18 over Mine Brook?
It is owned by the State Highway Agency.