30th Street over East Twin Creek Channel
Fair Condition58 years old12,240 vehicles/day
Location
| State | California |
| County | San Bernardino |
| Location | 0.15 Mi E Of Valencia AVE |
| Carries | 30th Street |
| Crosses | East Twin Creek Channel |
| Coordinates | 34.14513, -117.26906 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 117.1 ft (35.7 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 71.9 ft (21.9 m) |
| Deck Area | 781.8 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 12,240 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 54C0124 |