I78 WB US 22 WB over Beaver Brook
FairHunterdon County, New Jersey · 0.15 MI W of I-78 EXT.17 · Structure no. 1017156
- Built
- 1927
- 98 years old, rebuilt 1967
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete
- Length
- 55 ft
- 2 main spans
- Daily traffic
- 63,560
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I78 WB US 22 WB over Beaver Brook is a concrete slab carrying I78 WB US 22 WB over Beaver Brook in Hunterdon County, New Jersey. It was built in 1927 and reconstructed in 1967, so it is 98 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 5 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 63,560 vehicles a day, roughly 9% of them trucks, projected to reach 76,270 by 2044. The structure is 55 ft (16.8 m) long and 56 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 I78 WB US 22 WB over Beaver Brook built?
It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1967.
What condition is I78 WB US 22 WB 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 August 2024.
How much traffic does I78 WB US 22 WB over Beaver Brook carry?
About 63,560 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is I78 WB US 22 WB over Beaver Brook?
The structure is 55 ft (16.8 m) long with a longest span of 24 ft (7.3 m) and a deck 56 ft wide.
Who owns I78 WB US 22 WB over Beaver Brook?
It is owned by the State Highway Agency.