Happy Isles Loop over Merced River
Fair Condition97 years old50 vehicles/day
Location
| State | California |
| County | Mariposa |
| Location | Approximately 500 Downst |
| Carries | Happy Isles Loop |
| Crosses | Merced River |
| Coordinates | 37.73261, -119.55867 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 124.0 ft (37.8 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 461.2 sq m |
| Main Spans | 3 |
| Year Built | 1929 |
Traffic
| Avg Daily Traffic | 50 (2019) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | National Park Service |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 8800009S0000000 |