Heron Drive over Mine Brook
GoodMorris County, New Jersey · 0.2 Mile South of US 46 · Structure no. 1401236
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 63 ft
- 3 main spans
- Daily traffic
- 1,229
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Heron Drive over Mine Brook is a concrete culvert carrying Heron Drive over Mine Brook in Morris County, New Jersey. It was built in 2002, so it is 23 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 1,229 vehicles a day, roughly 1% of them trucks, projected to reach 1,500 by 2043. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Heron Drive over Mine Brook built?
It was built in 2002, making it 23 years old in 2025.
What condition is Heron Drive over Mine 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 July 2023.
How much traffic does Heron Drive over Mine Brook carry?
About 1,229 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Heron Drive over Mine Brook?
The structure is 63 ft (19.2 m) long with a longest span of 15 ft (4.6 m).
Who owns Heron Drive over Mine Brook?
It is owned by the County Highway Agency.