SH 55 over Payette River
Fair Condition55 years old7,800 vehicles/day
Location
| State | Idaho |
| County | Boise |
| Location | 2.0 N. Horseshoe Bend |
| Carries | SH 55 |
| Crosses | Payette River |
| Coordinates | 43.93519, -116.18886 |
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 | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 376.0 ft (114.6 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 1398.1 sq m |
| Main Spans | 4 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 7,800 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000014775 |