Nj 31 over Assiscong Creek
GoodHunterdon County, New Jersey · 1.07 MI No Rt 523 JCT · Structure no. 1012154
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 22,889
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Nj 31 over Assiscong Creek is a prestressed concrete slab carrying Nj 31 over Assiscong Creek in Hunterdon County, New Jersey. It was built in 2005, so it is 20 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 22,889 vehicles a day, roughly 4% of them trucks, projected to reach 27,929 by 2044. The structure is 30 ft (9.1 m) long and 96 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nj 31 over Assiscong Creek built?
It was built in 2005, making it 20 years old in 2025.
What condition is Nj 31 over Assiscong Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does Nj 31 over Assiscong Creek carry?
About 22,889 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is Nj 31 over Assiscong Creek?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 96 ft wide.
Who owns Nj 31 over Assiscong Creek?
It is owned by the State Highway Agency.