Red Mill Road over Spruce Run
Good Condition134 years old242 vehicles/day
Location
| State | New Jersey |
| County | Hunterdon |
| Location | .25 Mi.e.mt.airy Rd.jct. |
| Carries | Red Mill Road |
| Crosses | Spruce Run |
| Coordinates | 40.71949, -74.92111 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 113.9 sq m |
| Main Spans | 1 |
| Year Built | 1892 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 242 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1000086 |