Old Mill Road over Stony Brook
GoodMercer County, New Jersey · 1000 Ft NW of Fdrl Cty RD · Structure no. 1100075
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected February 2023
- Type
- Frame
- Concrete
- Length
- 77 ft
- 2 main spans
- Daily traffic
- 1,609
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Old Mill Road over Stony Brook is a concrete frame carrying Old Mill Road over Stony Brook in Mercer County, New Jersey. It was built in 2012, so it is 13 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 1,609 vehicles a day, roughly 3% of them trucks, projected to reach 1,924 by 2043. The structure is 77 ft (23.5 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Mill Road over Stony Brook built?
It was built in 2012, making it 13 years old in 2025.
What condition is Old Mill Road over Stony 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 February 2023.
How much traffic does Old Mill Road over Stony Brook carry?
About 1,609 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Old Mill Road over Stony Brook?
The structure is 77 ft (23.5 m) long with a longest span of 36 ft (11 m) and a deck 42 ft wide.
Who owns Old Mill Road over Stony Brook?
It is owned by the County Highway Agency.