I-78 WB over CR 523 (oldwick Rd)
FairHunterdon County, New Jersey · .65 MI E of Taylors Mill · Structure no. 1018169
- Built
- 1965
- 60 years old, rebuilt 1994
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 81 ft
- 1 main span
- Daily traffic
- 58,163
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 WB over CR 523 (oldwick Rd) is a prestressed concrete stringer/multi-beam or girder carrying I-78 WB over CR 523 (oldwick Rd) in Hunterdon County, New Jersey. It was built in 1965 and reconstructed in 1994, so it is 60 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 58,163 vehicles a day, roughly 9% of them trucks, projected to reach 70,970 by 2043. The structure is 81 ft (24.7 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-78 WB over CR 523 (oldwick Rd) built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1994.
What condition is I-78 WB over CR 523 (oldwick Rd) 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 May 2023.
How much traffic does I-78 WB over CR 523 (oldwick Rd) carry?
About 58,163 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-78 WB over CR 523 (oldwick Rd)?
The structure is 81 ft (24.7 m) long with a longest span of 76 ft (23.2 m) and a deck 56 ft wide.
Who owns I-78 WB over CR 523 (oldwick Rd)?
It is owned by the State Highway Agency.