I-78WB US 22WB over Leigh St.
FairHunterdon County, New Jersey · 1 MI West of Rt 31 · Structure no. 1016159
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 51,605
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-78WB US 22WB over Leigh St. is a prestressed concrete stringer/multi-beam or girder carrying I-78WB US 22WB over Leigh St. in Hunterdon County, New Jersey. It was built in 1958, so it is 67 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 51,605 vehicles a day, roughly 9% of them trucks, projected to reach 62,965 by 2044. The structure is 62 ft (18.9 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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-78WB US 22WB over Leigh St. built?
It was built in 1958, making it 67 years old in 2025.
What condition is I-78WB US 22WB over Leigh St. 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 July 2024.
How much traffic does I-78WB US 22WB over Leigh St. carry?
About 51,605 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is I-78WB US 22WB over Leigh St.?
The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.7 m) and a deck 57 ft wide.
Who owns I-78WB US 22WB over Leigh St.?
It is owned by the State Highway Agency.