Forest Road 640 over North Fork Caspar Creek
Fair Condition32 years old50 vehicles/day
Location
| State | California |
| County | Mendocino |
| Location | East Of Jct RD 600 |
| Carries | Forest Road 640 |
| Crosses | North Fork Caspar Creek |
| Coordinates | 39.34641, -123.75506 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Arch - Deck |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Area | 21.4 sq m |
| Main Spans | 1 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 50 (2009) |
| Truck Traffic | 2% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Park/Forest Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 10F0059 |