Lighthouse Road over Mill Creek
Good Condition23 years old3 vehicles/day
Location
| State | California |
| County | Humboldt |
| Location | 1.5 Mi SW Of Mattole RD |
| Carries | Lighthouse Road |
| Crosses | Mill Creek |
| Coordinates | 40.29766, -124.30781 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 41.7 ft (12.7 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 110.5 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 3 (2011) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 04C0250 |