Diamond Hill Road over Green Brook
Fair Condition101 years old23,552 vehicles/day
Location
| State | New Jersey |
| County | Union |
| Location | At Somerset County Line |
| Carries | Diamond Hill Road |
| Crosses | Green Brook |
| Coordinates | 40.66663, -74.40352 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 18.0 ft (5.5 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 171.6 sq m |
| Main Spans | 2 |
| Year Built | 1925 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 23,552 (2024) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 2001010 |