Interstate 15 NB over Sierra Avenue
Fair Condition50 years old69,000 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 08-sbd-015-12.84-fna |
| Carries | Interstate 15 NB |
| Crosses | Sierra Avenue |
| Coordinates | 34.18122, -117.43684 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 162.1 ft (49.4 m) |
| Max Span | 160.1 ft (48.8 m) |
| Deck Width | 68.6 ft (20.9 m) |
| Deck Area | 1032.5 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 69,000 (2019) |
| Truck Traffic | 11% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54 0981R |