CR 509 over I-78
FairUnion County, New Jersey · 0.7 MI E of GSP&I78 JCT · Structure no. 2011167
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 320 ft
- 4 main spans
- Daily traffic
- 8,242
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
CR 509 over I-78 is a steel stringer/multi-beam or girder carrying CR 509 over I-78 in Union County, New Jersey. It was built in 1975, so it is 50 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 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 8,242 vehicles a day, roughly 4% of them trucks, projected to reach 10,056 by 2044. The structure is 320 ft (97.5 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 | 7 Good | Some minor problems. |
| 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 CR 509 over I-78 built?
It was built in 1975, making it 50 years old in 2025.
What condition is CR 509 over I-78 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 CR 509 over I-78 carry?
About 8,242 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is CR 509 over I-78?
The structure is 320 ft (97.5 m) long with a longest span of 89 ft (27.1 m) and a deck 60 ft wide.
Who owns CR 509 over I-78?
It is owned by the State Highway Agency.