Keystone RD over Alamo River
Fair Condition47 years old922 vehicles/day
Location
| State | California |
| County | Imperial |
| Location | 1.5 Mi E/o Mcconnell RD |
| Carries | Keystone RD |
| Crosses | Alamo River |
| Coordinates | 32.91642, -115.45735 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 107.9 ft (32.9 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 325.7 sq m |
| Main Spans | 3 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 922 (2020) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 58C0103 |