Diablo Rd-s680 On over San Ramon Creek
Good Condition51 years old4,750 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-680-r7.43 |
| Carries | Diablo Rd-s680 On |
| Crosses | San Ramon Creek |
| Coordinates | 37.82098, -121.99350 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 204.1 ft (62.2 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 491.4 sq m |
| Main Spans | 3 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 4,750 (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 0197K |