Cr510 Columbia Tpk over Black Brook
Fair Condition97 years old30,731 vehicles/day
Location
| State | New Jersey |
| County | Morris |
| Location | 0.8mi E Nj24&cr510 |
| Carries | Cr510 Columbia Tpk |
| Crosses | Black Brook |
| Coordinates | 40.79058, -74.41295 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 35.1 ft (10.7 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 57.4 ft (17.5 m) |
| Deck Area | 187.2 sq m |
| Main Spans | 1 |
| Year Built | 1929 (reconstructed 1960) |
Traffic
| Avg Daily Traffic | 30,731 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
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 | 1400451 |