State Route 39 over N Fork San Gabriel River
Good Condition94 years old220 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-039-32.50 |
| Carries | State Route 39 |
| Crosses | N Fork San Gabriel River |
| Coordinates | 34.29057, -117.84024 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 63.1 sq m |
| Main Spans | 2 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 220 (2017) |
| Truck Traffic | 2% |
| 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 0515 |