US 20 over Three Mile Creek
Fair Condition57 years old1,900 vehicles/day
Location
| State | Idaho |
| County | Camas |
| Location | 4.8 W. Fairfield |
| Carries | US 20 |
| Crosses | Three Mile Creek |
| Coordinates | 43.34239, -114.88692 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 120.3 sq m |
| Main Spans | 2 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 1,900 (2023) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 721 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000015015 |