I-78 EB over Trib. to Dead River
GoodSomerset County, New Jersey · 4.5 MI East of I-287 JCT · Structure no. 1817163
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected December 2024
- Type
- Slab
- Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 44,759
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 EB over Trib. to Dead River is a concrete slab carrying I-78 EB over Trib. to Dead River in Somerset County, New Jersey. It was built in 1965, 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 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 44,759 vehicles a day, roughly 9% of them trucks, projected to reach 54,614 by 2043. The structure is 29 ft (8.8 m) long and 57 ft wide.
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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 I-78 EB over Trib. to Dead River built?
It was built in 1965, making it 60 years old in 2025.
What condition is I-78 EB over Trib. to Dead River 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 December 2024.
How much traffic does I-78 EB over Trib. to Dead River carry?
About 44,759 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-78 EB over Trib. to Dead River?
The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 57 ft wide.
Who owns I-78 EB over Trib. to Dead River?
It is owned by the State Highway Agency.