First Street over Arroyo Seco
Fair Condition32 years old19,950 vehicles/day
Location
| State | California |
| County | Alameda |
| Location | 600 NW Las Positas Road |
| Carries | First Street |
| Crosses | Arroyo Seco |
| Coordinates | 37.69988, -121.74160 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 59.1 ft (18 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 150.6 ft (45.9 m) |
| Deck Area | 826.2 sq m |
| Main Spans | 4 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 19,950 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 7 |
Inspection & Ownership
| Last Inspection | October 2021 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 33C0424 |