County Route 518 over Stony Brook
Good Condition67 years old5,445 vehicles/day
Location
| State | New Jersey |
| County | Mercer |
| Location | 0.21 Mile E Of RT 31 |
| Carries | County Route 518 |
| Crosses | Stony Brook |
| Coordinates | 40.38368, -74.81505 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 121.1 ft (36.9 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 494.5 sq m |
| Main Spans | 2 |
| Year Built | 1959 (reconstructed 2014) |
Traffic
| Avg Daily Traffic | 5,445 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 1102302 |