Chilpacingo Parkwy over Grayson Creek
Good Condition57 years old10,810 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.1 Mi W Contra Costa Bl |
| Carries | Chilpacingo Parkwy |
| Crosses | Grayson Creek |
| Coordinates | 37.97508, -122.06651 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 95.1 ft (29 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 91.9 ft (28 m) |
| Deck Area | 812 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 10,810 (1978) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0364 |