Richmond Parkway over Parkway Wetlands
Good Condition31 years old27,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 3.6 Mi SW Of I-80 |
| Carries | Richmond Parkway |
| Crosses | Parkway Wetlands |
| Coordinates | 37.97261, -122.36929 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.6 ft (7.5 m) |
| Max Span | 8.2 ft (2.5 m) |
| Deck Width | 123.0 ft (37.5 m) |
| Deck Area | 281.2 sq m |
| Main Spans | 3 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 27,000 (2012) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0475 |