State Route 580 over Rust Drain
Fair Condition35 years old84,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-580-0.72-rch |
| Carries | State Route 580 |
| Crosses | Rust Drain |
| Coordinates | 37.90598, -122.31865 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 54.1 ft (16.5 m) |
| Max Span | 27.2 ft (8.3 m) |
| Deck Width | 109.9 ft (33.5 m) |
| Deck Area | 552.8 sq m |
| Main Spans | 2 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 84,500 (2009) |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0090 |