Cottonwood Drive over Grayson Creek
Fair Condition56 years old2,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.1 Mi W Contra Costa Bl |
| Carries | Cottonwood Drive |
| Crosses | Grayson Creek |
| Coordinates | 37.97358, -122.06547 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 58.1 ft (17.7 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 49.9 ft (15.2 m) |
| Deck Area | 269.0 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 2,000 (2020) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0454 |