Nj 12 over Walnut (mine) Brook
Fair Condition87 years old9,811 vehicles/day
Location
| State | New Jersey |
| County | Hunterdon |
| Location | 0.75mi W Of 202-31 Circle |
| Carries | Nj 12 |
| Crosses | Walnut (mine) Brook |
| Coordinates | 40.50312, -74.86791 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 45.9 ft (14 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 49.9 ft (15.2 m) |
| Deck Area | 212.8 sq m |
| Main Spans | 1 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 9,811 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1002150 |