Nj 24 Freeway over Black Brook(east Branch)
FairMorris County, New Jersey · 3.1 Mi. East of I-287 · Structure no. 1422154
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 62 ft
- 1 main span
- Daily traffic
- 107,085
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 24 Freeway over Black Brook(east Branch) is a prestressed concrete box beam or girders - multiple carrying Nj 24 Freeway over Black Brook(east Branch) in Morris County, New Jersey. It was built in 1989, so it is 36 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 107,085 vehicles a day, roughly 5% of them trucks, projected to reach 130,664 by 2042. The structure is 62 ft (18.9 m) long and 123 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 24 Freeway over Black Brook(east Branch) built?
It was built in 1989, making it 36 years old in 2025.
What condition is Nj 24 Freeway over Black Brook(east Branch) 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 April 2024.
How much traffic does Nj 24 Freeway over Black Brook(east Branch) carry?
About 107,085 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Nj 24 Freeway over Black Brook(east Branch)?
The structure is 62 ft (18.9 m) long with a longest span of 59 ft (18 m) and a deck 123 ft wide.
Who owns Nj 24 Freeway over Black Brook(east Branch)?
It is owned by the State Highway Agency.