Interstate RTE 580 over Stege Drain
Good Condition4 years old92,300 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-580-1.17-rch |
| Carries | Interstate RTE 580 |
| Crosses | Stege Drain |
| Coordinates | 37.91167, -122.32331 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 46.9 ft (14.3 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 139.4 ft (42.5 m) |
| Deck Area | 607.8 sq m |
| Main Spans | 1 |
| Year Built | 2022 |
Traffic
| Avg Daily Traffic | 92,300 (2019) |
| Truck Traffic | 3% |
| Lanes On Bridge | 7 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0421 |