Interstate 580 over Altamont Creek Tributary
Good Condition57 years old175,000 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 04-ala-580-r9.40-lvmr |
| Carries | Interstate 580 |
| Crosses | Altamont Creek Tributary |
| Coordinates | 37.71177, -121.71661 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 352.0 ft (107.3 m) |
| Deck Area | 836.9 sq m |
| Main Spans | 2 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 175,000 (2020) |
| Truck Traffic | 8% |
| Lanes On Bridge | 12 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 33 0673 |