Interstate 15 SB over Flat Ditch
Good Condition63 years old28,000 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 08-sbd-015-r101.48 |
| Carries | Interstate 15 SB |
| Crosses | Flat Ditch |
| Coordinates | 34.99829, -116.56576 |
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 | Slab |
| Total Length | 98.4 ft (30 m) |
| Max Span | 25.3 ft (7.7 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 381 sq m |
| Main Spans | 4 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 28,000 (2021) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54 0639L |