Diamond BLVD over Walnut Creek
Fair Condition60 years old33,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.1 Mi N Willow Pass RD |
| Carries | Diamond BLVD |
| Crosses | Walnut Creek |
| Coordinates | 37.96971, -122.05426 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 279.2 ft (85.1 m) |
| Max Span | 55.4 ft (16.9 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 953.1 sq m |
| Main Spans | 5 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 33,000 (1977) |
| Truck Traffic | 5% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0189R |