Highland Lake RD over Mokelumne River
Fair Condition37 years old25 vehicles/day
Location
| State | California |
| County | Alpine |
| Location | 3.3 Mi S Of S.h. 4 |
| Carries | Highland Lake RD |
| Crosses | Mokelumne River |
| Coordinates | 38.51420, -119.80235 |
Condition Ratings
| Overall Condition | Fair |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Arch - Deck |
| Total Length | 23.0 ft (7 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Area | 35 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 25 (1990) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 31C0019 |