Michelson Drive over San Diego Creek Channel
Good Condition50 years old17,700 vehicles/day
Location
| State | California |
| County | Orange |
| Location | 0.3 Km W Harvard AVE |
| Carries | Michelson Drive |
| Crosses | San Diego Creek Channel |
| Coordinates | 33.67049, -117.83647 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 354.0 ft (107.9 m) |
| Max Span | 87.9 ft (26.8 m) |
| Deck Width | 87.3 ft (26.6 m) |
| Deck Area | 2870.1 sq m |
| Main Spans | 4 |
| Year Built | 1976 (reconstructed 1997) |
Traffic
| Avg Daily Traffic | 17,700 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 222 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 55C0203 |