Old Redwood HWY over Mark West Creek
Fair Condition70 years old16,600 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | 0.4 Mi S/o Airport BLVD |
| Carries | Old Redwood HWY |
| Crosses | Mark West Creek |
| Coordinates | 38.50626, -122.75898 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 172.9 ft (52.7 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 590.2 sq m |
| Main Spans | 6 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 16,600 (2015) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0083 |