Long Hill RD CR631 over Montclair-Boonton Line
FairPassaic County, New Jersey · 0.3 MI SW US46&CR631 JCT · Structure no. 1662151
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected January 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 106 ft
- 3 main spans
- Daily traffic
- 9,780
- 2023 count
- Owner
- Unknown
- Unknown
About this bridge
Long Hill RD CR631 over Montclair-Boonton Line is a prestressed concrete slab carrying Long Hill RD CR631 over Montclair-Boonton Line in Passaic County, New Jersey. It was built in 1984, so it is 41 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 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 9,780 vehicles a day, roughly 4% of them trucks, projected to reach 13,180 by 2043. The structure is 106 ft (32.3 m) long and 64 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Long Hill RD CR631 over Montclair-Boonton Line built?
It was built in 1984, making it 41 years old in 2025.
What condition is Long Hill RD CR631 over Montclair-Boonton Line 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 Long Hill RD CR631 over Montclair-Boonton Line carry?
About 9,780 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Long Hill RD CR631 over Montclair-Boonton Line?
The structure is 106 ft (32.3 m) long with a longest span of 51 ft (15.5 m) and a deck 64 ft wide.
Who owns Long Hill RD CR631 over Montclair-Boonton Line?
It is owned by the Unknown and maintained by the Other State Agency.