N680-n242 Connectr over Walnut Creek
Poor Condition63 years old63,800 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r18.70-cnd |
| Carries | N680-n242 Connectr |
| Crosses | Walnut Creek |
| Coordinates | 37.95868, -122.05186 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 612.9 ft (186.8 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 54.5 ft (16.6 m) |
| Deck Area | 3100.9 sq m |
| Main Spans | 7 |
| Year Built | 1963 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 63,800 (2019) |
| Truck Traffic | 8% |
| Lanes On Bridge | 3 |
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 0040G |