Gregory LN over Contra Costa Canal
Good Condition87 years old9,000 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 0.1 Mi E Pleasant Hill RD |
| Carries | Gregory LN |
| Crosses | Contra Costa Canal |
| Coordinates | 37.94780, -122.08051 |
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 | Slab |
| Total Length | 23.0 ft (7 m) |
| Max Span | 21.7 ft (6.6 m) |
| Deck Width | 75.1 ft (22.9 m) |
| Deck Area | 160.3 sq m |
| Main Spans | 1 |
| Year Built | 1939 (reconstructed 1975) |
Traffic
| Avg Daily Traffic | 9,000 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28C0347 |