Interstate 405 over Heil AVE Drain
Good Condition60 years old263,000 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 12-ora-405-15.49-hntb |
| Carries | Interstate 405 |
| Crosses | Heil AVE Drain |
| Coordinates | 33.72280, -117.97500 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Width | 153.5 ft (46.8 m) |
| Deck Area | 327.6 sq m |
| Main Spans | 3 |
| Year Built | 1966 |
Traffic
| Avg Daily Traffic | 263,000 (2014) |
| Truck Traffic | 7% |
| Lanes On Bridge | 12 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55 0479 |