18th ST over Interstate 805
Fair Condition52 years old15,700 vehicles/day
Location
| State | California |
| County | San Diego |
| Location | 11-sd-805-9.99-natc |
| Carries | 18th ST |
| Crosses | Interstate 805 |
| Coordinates | 32.67310, -117.08257 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 272.0 ft (82.9 m) |
| Max Span | 149.0 ft (45.4 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 1309.8 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 15,700 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 12 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 57 0641 |