Interstate 580 over San Lorenzo Creek
Fair Condition69 years old197,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-580-r27.16 |
| Carries | Interstate 580 |
| Crosses | San Lorenzo Creek |
| Coordinates | 37.70198, -122.03644 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Area | 490.4 sq m |
| Main Spans | 1 |
| Year Built | 1957 (reconstructed 1977) |
Traffic
| Avg Daily Traffic | 197,000 (2017) |
| Lanes On Bridge | 8 |
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 | 33 0234 |