Grayrock Road over So. Branch Raritan River
Good Condition33 years old1,932 vehicles/day
Location
| State | New Jersey |
| County | Hunterdon |
| Location | 0.3 Mi. East Of Nj 31 |
| Carries | Grayrock Road |
| Crosses | So. Branch Raritan River |
| Coordinates | 40.65614, -74.90794 |
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 | 119.1 ft (36.3 m) |
| Max Span | 113.8 ft (34.7 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 392.0 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 1,932 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 10XXC76 |