Main St. (cr 531) over Mill Brook
Fair Condition71 years old15,793 vehicles/day
Location
| State | New Jersey |
| County | Middlesex |
| Location | 0.35 Mile North Of CR 514 |
| Carries | Main St. (cr 531) |
| Crosses | Mill Brook |
| Coordinates | 40.52062, -74.35720 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 61.7 ft (18.8 m) |
| Deck Area | 114.7 sq m |
| Main Spans | 1 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 15,793 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 121B107 |