Mountainside Drive over Mill Brook
Fair Condition97 years old1,116 vehicles/day
Location
| State | New Jersey |
| County | Morris |
| Location | 0.05 Mile N. Grist Mill |
| Carries | Mountainside Drive |
| Crosses | Mill Brook |
| Coordinates | 40.86753, -74.54478 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 26.9 ft (8.2 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 76.3 sq m |
| Main Spans | 1 |
| Year Built | 1929 (reconstructed 1989) |
Traffic
| Avg Daily Traffic | 1,116 (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 | 1400773 |