Gentrytown Drive over Contra Costa Canal
Good Condition53 years old4,500 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.7 Mi N James Donlon |
| Carries | Gentrytown Drive |
| Crosses | Contra Costa Canal |
| Coordinates | 37.98966, -121.84015 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 27.9 ft (8.5 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 148.5 sq m |
| Main Spans | 1 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 4,500 (1998) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0426 |