Griggstown Causwy over Millstone River
Fair Condition48 years old6,198 vehicles/day
Location
| State | New Jersey |
| County | Somerset |
| Location | At CR 533 Intersection |
| Carries | Griggstown Causwy |
| Crosses | Millstone River |
| Coordinates | 40.43907, -74.61776 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 149.4 sq m |
| Main Spans | 2 |
| Year Built | 1978 (reconstructed 2006) |
Traffic
| Avg Daily Traffic | 6,198 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 18F0302 |