State Route 39 over W Fork San Gabriel River
Good Condition64 years old1,618 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-039-26.96 |
| Carries | State Route 39 |
| Crosses | W Fork San Gabriel River |
| Coordinates | 34.24130, -117.86869 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 280.2 ft (85.4 m) |
| Max Span | 109.3 ft (33.3 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 888.2 sq m |
| Main Spans | 3 |
| Year Built | 1962 (reconstructed 1968) |
Traffic
| Avg Daily Traffic | 1,618 (2017) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53 0342 |