Interstate 15 NB over Clark Mountain Ditch
Good Condition63 years old18,500 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 08-sbd-015-167.99r |
| Carries | Interstate 15 NB |
| Crosses | Clark Mountain Ditch |
| Coordinates | 35.47340, -115.58897 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 3 (Serious) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 71.9 ft (21.9 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 396.4 sq m |
| Main Spans | 4 |
| Year Built | 1963 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 18,500 (2020) |
| Truck Traffic | 20% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54 0304R |