I-78 WB over Quarry Rd.
PoorUnion County, New Jersey · 0.9 MI W of 78-24 JCT · Structure no. 2010161
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected February 2023
- Type
- Frame
- Concrete
- Length
- 36 ft
- 1 main span
- Daily traffic
- 45,520
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-78 WB over Quarry Rd. is a concrete frame carrying I-78 WB over Quarry Rd. in Union County, New Jersey. It was built in 1967, so it is 58 years old, younger than the New Jersey average of 58.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 45,520 vehicles a day, roughly 9% of them trucks, projected to reach 54,620 by 2043. The structure is 36 ft (11 m) long and 75 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Quarry Rd. built?
It was built in 1967, making it 58 years old in 2025.
What condition is I-78 WB over Quarry Rd. in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.
How much traffic does I-78 WB over Quarry Rd. carry?
About 45,520 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-78 WB over Quarry Rd.?
The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 75 ft wide.
Who owns I-78 WB over Quarry Rd.?
It is owned by the State Highway Agency.