Structure 28 0260 · Contra Costa County, CA
Carries State Route 4 over Ebmud Service Road, 04-cc-004-r14.45-cnd.
Set by its lowest-rated component: Deck and Superstructure at 5 of 9.
How ratings work24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a slab bridge.
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r14.45-cnd |
| Carries | State Route 4 |
| Crosses | Ebmud Service Road |
| Coordinates | 38.00425, -122.03938 |
| Material | Concrete |
| Design | Slab |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 149.6 ft (45.6 m) |
| Deck Area | 332.9 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
| Avg Daily Traffic | 62,000 (2018) |
| Truck Traffic | 7% |
| Lanes On Bridge | 4 |
| Last Inspection | June 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | Not applicable |
| Structure Number | 28 0260 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.