Norris Canyon Road over Interstate 680
Fair Condition60 years old3,600 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r3.76-srmn |
| Carries | Norris Canyon Road |
| Crosses | Interstate 680 |
| Coordinates | 37.77125, -121.97263 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 215.2 ft (65.6 m) |
| Max Span | 106.6 ft (32.5 m) |
| Deck Width | 77.4 ft (23.6 m) |
| Deck Area | 1548.2 sq m |
| Main Spans | 2 |
| Year Built | 1966 (reconstructed 1987) |
Traffic
| Avg Daily Traffic | 3,600 (2020) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
| Lanes Under Bridge | 10 |
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 0205 |