Byron HWY over Kellogg Creek
Fair Condition86 years old13,637 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.5 Mi S SR 4 |
| Carries | Byron HWY |
| Crosses | Kellogg Creek |
| Coordinates | 37.88189, -121.64142 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 13.5 ft (4.1 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 113.8 sq m |
| Main Spans | 2 |
| Year Built | 1940 (reconstructed 1953) |
Traffic
| Avg Daily Traffic | 13,637 (2013) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0122 |