Dougherty over Lower M. Branch Alamo CR
Fair Condition19 years old100 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | At Bollinger Canyon RD |
| Carries | Dougherty |
| Crosses | Lower M. Branch Alamo CR |
| Coordinates | 37.74817, -121.91661 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 296.9 ft (90.5 m) |
| Max Span | 134.8 ft (41.1 m) |
| Deck Width | 123.0 ft (37.5 m) |
| Deck Area | 3393.8 sq m |
| Main Spans | 3 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 100 (2020) |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0255 |