Blythe Drive over Contra Costa Canal
Good Condition37 years old1,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.03 Mi S James Donlon Bl |
| Carries | Blythe Drive |
| Crosses | Contra Costa Canal |
| Coordinates | 37.97982, -121.82046 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 35.4 ft (10.8 m) |
| Max Span | 35.4 ft (10.8 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 131.8 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 1,000 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0506 |