Highland Lakes RD over Boulder Creek
Good Condition98 years old10 vehicles/day
Location
| State | California |
| County | Shasta |
| Location | Right Of I-5 |
| Carries | Highland Lakes RD |
| Crosses | Boulder Creek |
| Coordinates | 41.01612, -122.40565 |
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 | Arch - Deck |
| Total Length | 145.0 ft (44.2 m) |
| Max Span | 81.7 ft (24.9 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 362.4 sq m |
| Main Spans | 1 |
| Year Built | 1928 |
Traffic
| Avg Daily Traffic | 10 (2013) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 06C0349 |