I-78 EB over South Br. Raritan River
FairHunterdon County, New Jersey · 1.34 MI West of Nj 31 · Structure no. 1016156
- Built
- 1957
- 68 years old, rebuilt 1985
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 218 ft
- 3 main spans
- Daily traffic
- 49,741
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 EB over South Br. Raritan River is a prestressed concrete stringer/multi-beam or girder carrying I-78 EB over South Br. Raritan River in Hunterdon County, New Jersey. It was built in 1957 and reconstructed in 1985, so it is 68 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 49,741 vehicles a day, roughly 9% of them trucks, projected to reach 60,694 by 2043. The structure is 218 ft (66.4 m) long and 47 ft wide. 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-78 EB over South Br. Raritan River built?
It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1985.
What condition is I-78 EB over South Br. Raritan River 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 2023.
How much traffic does I-78 EB over South Br. Raritan River carry?
About 49,741 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-78 EB over South Br. Raritan River?
The structure is 218 ft (66.4 m) long with a longest span of 71 ft (21.6 m) and a deck 47 ft wide.
Who owns I-78 EB over South Br. Raritan River?
It is owned by the State Highway Agency.