County Route 645 over Little Flat Brook
Fair Condition90 years old586 vehicles/day
Location
| State | New Jersey |
| County | Sussex |
| Location | 0.2 Mi NW Of US 206 |
| Carries | County Route 645 |
| Crosses | Little Flat Brook |
| Coordinates | 41.23932, -74.80371 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
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 | 24.9 ft (7.6 m) |
| Deck Area | 81.3 sq m |
| Main Spans | 1 |
| Year Built | 1936 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 586 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1900P21 |