SH 55 over Phyllis Canal
Good Condition53 years old19,500 vehicles/day
Location
| State | Idaho |
| County | Canyon |
| Location | 3 W. Nampa |
| Carries | SH 55 |
| Crosses | Phyllis Canal |
| Coordinates | 43.60450, -116.66369 |
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 | Frame |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 105.9 sq m |
| Main Spans | 1 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 19,500 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000014710 |