Iron Mountain RD over Rock Creek
Fair Condition95 years old817 vehicles/day
Location
| State | California |
| County | Shasta |
| Location | 5.6 Mi N Of State RT 299 |
| Carries | Iron Mountain RD |
| Crosses | Rock Creek |
| Coordinates | 40.61322, -122.45983 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 185.0 ft (56.4 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 423 sq m |
| Main Spans | 8 |
| Year Built | 1931 (reconstructed 1970) |
Traffic
| Avg Daily Traffic | 817 (2012) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 06C0022 |