I-78 WB over Matheson Road
FairHunterdon County, New Jersey · 0.3 MI E. of I-78 EXIT-24 · Structure no. 1018171
- Built
- 1965
- 60 years old, rebuilt 1994
- Condition
- Fair
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 64 ft
- 1 main span
- Daily traffic
- 58,196
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 WB over Matheson Road is a prestressed concrete stringer/multi-beam or girder carrying I-78 WB over Matheson Road 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 58,196 vehicles a day, roughly 9% of them trucks, projected to reach 71,011 by 2043. The structure is 64 ft (19.5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-78 WB over Matheson Road 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 Matheson Road 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 January 2023.
How much traffic does I-78 WB over Matheson Road carry?
About 58,196 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-78 WB over Matheson Road?
The structure is 64 ft (19.5 m) long with a longest span of 60 ft (18.3 m) and a deck 56 ft wide.
Who owns I-78 WB over Matheson Road?
It is owned by the State Highway Agency.