Ygnacio Valley RD over Walnut Creek
Good Condition51 years old65,100 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.8 Mi E Of I 680 |
| Carries | Ygnacio Valley RD |
| Crosses | Walnut Creek |
| Coordinates | 37.90739, -122.05672 |
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 | Tee Beam |
| Total Length | 48.6 ft (14.8 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 107.9 ft (32.9 m) |
| Deck Area | 486.9 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 65,100 (2019) |
| Truck Traffic | 2% |
| Lanes On Bridge | 6 |
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 | 28C0063 |