RTE I-78 & Ramp R over Beaver Brook
FairHunterdon County, New Jersey · At Rt 31 Interchange · Structure no. 1017160
- Built
- 1948
- 77 years old, rebuilt 1966
- Condition
- Fair
- inspected March 2024
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 130,244
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
RTE I-78 & Ramp R over Beaver Brook is a concrete culvert carrying RTE I-78 & Ramp R over Beaver Brook in Hunterdon County, New Jersey. It was built in 1948 and reconstructed in 1966, so it is 77 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 130,244 vehicles a day, roughly 9% of them trucks, projected to reach 156,789 by 2044. The structure is 33 ft (10.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was RTE I-78 & Ramp R over Beaver Brook built?
It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1966.
What condition is RTE I-78 & Ramp R over Beaver Brook 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 March 2024.
How much traffic does RTE I-78 & Ramp R over Beaver Brook carry?
About 130,244 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is RTE I-78 & Ramp R over Beaver Brook?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m).
Who owns RTE I-78 & Ramp R over Beaver Brook?
It is owned by the State Highway Agency.