I-78 Eastbound over S. Main St&pohatcong Ck
FairWarren County, New Jersey · At I-78 Exit 4 · Structure no. 2113155
- Built
- 1959
- 66 years old, rebuilt 1984
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 225 ft
- 4 main spans
- Daily traffic
- 54,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 Eastbound over S. Main St&pohatcong Ck is a prestressed concrete stringer/multi-beam or girder carrying I-78 Eastbound over S. Main St&pohatcong Ck in Warren County, New Jersey. It was built in 1959 and reconstructed in 1984, so it is 66 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 54,800 vehicles a day, roughly 9% of them trucks, projected to reach 66,866 by 2042. The structure is 225 ft (68.6 m) long and 57 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-78 Eastbound over S. Main St&pohatcong Ck built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1984.
What condition is I-78 Eastbound over S. Main St&pohatcong Ck 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 I-78 Eastbound over S. Main St&pohatcong Ck carry?
About 54,800 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is I-78 Eastbound over S. Main St&pohatcong Ck?
The structure is 225 ft (68.6 m) long with a longest span of 64 ft (19.5 m) and a deck 57 ft wide.
Who owns I-78 Eastbound over S. Main St&pohatcong Ck?
It is owned by the State Highway Agency.