Imhoff Road over Grayson Creek
Fair Condition45 years old1,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.8 Mi W Solano Way |
| Carries | Imhoff Road |
| Crosses | Grayson Creek |
| Coordinates | 38.00179, -122.06320 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 199.1 ft (60.7 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 53.5 ft (16.3 m) |
| Deck Area | 989.4 sq m |
| Main Spans | 4 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 1,000 (2014) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0113 |