Rt. 31 over Wildlife Underpass
FairHunterdon County, New Jersey · 0.11 MI S of CR 618 · Structure no. 1012170
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 23,214
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Rt. 31 over Wildlife Underpass is a concrete culvert carrying Rt. 31 over Wildlife Underpass in Hunterdon County, New Jersey. It was built in 1998, so it is 27 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 23,214 vehicles a day, roughly 4% of them trucks, projected to reach 27,857 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rt. 31 over Wildlife Underpass built?
It was built in 1998, making it 27 years old in 2025.
What condition is Rt. 31 over Wildlife Underpass 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 Rt. 31 over Wildlife Underpass carry?
About 23,214 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Rt. 31 over Wildlife Underpass?
The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).
Who owns Rt. 31 over Wildlife Underpass?
It is owned by the State Highway Agency.