N680-olympic Off over Las Trampas Creek
Fair Condition30 years old25,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-13.72-wlc |
| Carries | N680-olympic Off |
| Crosses | Las Trampas Creek |
| Coordinates | 37.89243, -122.06304 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 168.0 ft (51.2 m) |
| Max Span | 165.0 ft (50.3 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 435.2 sq m |
| Main Spans | 1 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 25,000 (2009) |
| Truck Traffic | 6% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0162S |