Washington Ave over Green Brook
GoodSomerset County, New Jersey · 0.48 MI S US 22 · Structure no. 18L0903
- Built
- 1959
- 66 years old, rebuilt 2009
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 89 ft
- 2 main spans
- Daily traffic
- 15,514
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Washington Ave over Green Brook is a prestressed concrete slab carrying Washington Ave over Green Brook in Somerset County, New Jersey. It was built in 1959 and reconstructed in 2009, so it is 66 years old, older 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 15,514 vehicles a day, roughly 4% of them trucks, projected to reach 18,930 by 2043. The structure is 89 ft (27.1 m) long and 62 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 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 Washington Ave over Green Brook built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2009.
What condition is Washington Ave over Green Brook 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 October 2023.
How much traffic does Washington Ave over Green Brook carry?
About 15,514 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Washington Ave over Green Brook?
The structure is 89 ft (27.1 m) long with a longest span of 42 ft (12.8 m) and a deck 62 ft wide.
Who owns Washington Ave over Green Brook?
It is owned by the County Highway Agency.