Ironia Road over Black River
Good Condition30 years old3,603 vehicles/day
Location
| State | New Jersey |
| County | Morris |
| Location | 1 Mi E Pleasant Hill Road |
| Carries | Ironia Road |
| Crosses | Black River |
| Coordinates | 40.83528, -74.64461 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 77.4 sq m |
| Main Spans | 2 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 3,603 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1400742 |