I-78 Eb. over I-287 SB & I-78 Ramp G.
FairSomerset County, New Jersey · I-78 Exit 30 @ I-287 Jct. · Structure no. 1817151
- Built
- 1963
- 62 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 65,338
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 Eb. over I-287 SB & I-78 Ramp G. is a steel stringer/multi-beam or girder carrying I-78 Eb. over I-287 SB & I-78 Ramp G. in Somerset County, New Jersey. It was built in 1963, so it is 62 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 65,338 vehicles a day, roughly 9% of them trucks, projected to reach 79,725 by 2044. The structure is 170 ft (51.8 m) long and 60 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 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 I-287 SB & I-78 Ramp G. built?
It was built in 1963, making it 62 years old in 2025.
What condition is I-78 Eb. over I-287 SB & I-78 Ramp G. 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 September 2024.
How much traffic does I-78 Eb. over I-287 SB & I-78 Ramp G. carry?
About 65,338 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is I-78 Eb. over I-287 SB & I-78 Ramp G.?
The structure is 170 ft (51.8 m) long with a longest span of 68 ft (20.7 m) and a deck 60 ft wide.
Who owns I-78 Eb. over I-287 SB & I-78 Ramp G.?
It is owned by the State Highway Agency.