Nat Trails HWY over Leith Ditch
Fair Condition96 years old805 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 3.1 Mi E Of Amboy RD |
| Carries | Nat Trails HWY |
| Crosses | Leith Ditch |
| Coordinates | 34.55904, -115.70318 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 40.7 ft (12.4 m) |
| Max Span | 9.5 ft (2.9 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 105.4 sq m |
| Main Spans | 4 |
| Year Built | 1930 (reconstructed 1953) |
Traffic
| Avg Daily Traffic | 805 (2020) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54C0279 |