Heron Drive over Mine Brook
Good Condition24 years old1,229 vehicles/day
Location
| State | New Jersey |
| County | Morris |
| Location | 0.2 Mile South Of US 46 |
| Carries | Heron Drive |
| Crosses | Mine Brook |
| Coordinates | 40.84157, -74.81165 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 63.0 ft (19.2 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Area | 151.7 sq m |
| Main Spans | 3 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 1,229 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1401236 |