Rock Road over Swan Creek Trib.
Fair Condition101 years old128 vehicles/day
Location
| State | New Jersey |
| County | Hunterdon |
| Location | 300so.rocktown-lamb Rd. |
| Carries | Rock Road |
| Crosses | Swan Creek Trib. |
| Coordinates | 40.36741, -74.93587 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 19.0 ft (5.8 m) |
| Deck Area | 60.3 sq m |
| Main Spans | 1 |
| Year Built | 1925 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 128 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 1 |
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 | 1000057 |