U.s. Highway 101 over Maple Hill RD Salmon Crk
Fair Condition64 years old5,100 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 01-hum-101-23.89 |
| Carries | U.s. Highway 101 |
| Crosses | Maple Hill RD Salmon Crk |
| Coordinates | 40.23488, -123.83317 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 278.9 ft (85 m) |
| Max Span | 105.0 ft (32 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 1606.5 sq m |
| Main Spans | 3 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 5,100 (2014) |
| Truck Traffic | 16% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04 0176 |