U.s. Highway 101 over Arroyo De San Jose
Fair Condition98 years old139,000 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 04-mrn-101-18.15 |
| Carries | U.s. Highway 101 |
| Crosses | Arroyo De San Jose |
| Coordinates | 38.06802, -122.53811 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 239.5 ft (73 m) |
| Deck Area | 620.5 sq m |
| Main Spans | 1 |
| Year Built | 1928 (reconstructed 1964) |
Traffic
| Avg Daily Traffic | 139,000 (2009) |
| Truck Traffic | 4% |
| Lanes On Bridge | 13 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27 0003 |