Stone Sign Post RD over Plum Brook
Fair Condition123 years old133 vehicles/day
Location
| State | New Jersey |
| County | Hunterdon |
| Location | 0.6 Mi West Of CR 579 |
| Carries | Stone Sign Post RD |
| Crosses | Plum Brook |
| Coordinates | 40.49028, -74.93868 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 15.7 ft (4.8 m) |
| Deck Area | 43.7 sq m |
| Main Spans | 1 |
| Year Built | 1903 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 133 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 100D390 |