Elk River Road over Martin Slough
Good Condition34 years old4,801 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 0.2 Mi SE Of SR 101 |
| Carries | Elk River Road |
| Crosses | Martin Slough |
| Coordinates | 40.75568, -124.18811 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 80.1 ft (24.4 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 324.5 sq m |
| Main Spans | 3 |
| Year Built | 1992 |
Traffic
| Avg Daily Traffic | 4,801 (2011) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04C0080 |