EB 4-sb 680 Conn over Grayson Creek
Poor Condition21 years old28,700 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-20.88 |
| Carries | EB 4-sb 680 Conn |
| Crosses | Grayson Creek |
| Coordinates | 37.99024, -122.06779 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 343.8 ft (104.8 m) |
| Max Span | 45.6 ft (13.9 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 943.2 sq m |
| Main Spans | 8 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 28,700 (2019) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0180K |