State Route 57 over Pomona Boulevard Drain
Fair Condition54 years old146,000 vehicles/day
Location
| State | California |
| County | Los Angeles |
| Location | 07-la-057-r6.75-pom |
| Carries | State Route 57 |
| Crosses | Pomona Boulevard Drain |
| Coordinates | 34.05265, -117.80232 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 694.1 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 146,000 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 10 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 53 2597 |