State Route 140 over Slate Gulch
Poor Condition100 years old1,400 vehicles/day
Location
| State | California |
| County | Mariposa |
| Location | 10-mpa-140-37.09 |
| Carries | State Route 140 |
| Crosses | Slate Gulch |
| Coordinates | 37.63498, -119.93393 |
Condition Ratings
| Overall Condition | Poor |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 48.9 ft (14.9 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 131.1 sq m |
| Main Spans | 1 |
| Year Built | 1926 |
Traffic
| Avg Daily Traffic | 1,400 (2009) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | 40 0006 |