Mattole RD over Mattole River
Poor Condition68 years old412 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 0.8 Mi South Of Petrolia |
| Carries | Mattole RD |
| Crosses | Mattole River |
| Coordinates | 40.31317, -124.28317 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Deck |
| Total Length | 380.6 ft (116 m) |
| Max Span | 102.0 ft (31.1 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 951.2 sq m |
| Main Spans | 3 |
| Year Built | 1958 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 412 (2008) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04C0078 |