SH 55 over Uprr;n.fk.payette River
Poor Condition93 years old4,100 vehicles/day
Location
| State | Idaho |
| County | Valley |
| Location | 3.0 N. Smiths Ferry |
| Carries | SH 55 |
| Crosses | Uprr;n.fk.payette River |
| Coordinates | 44.32472, -116.06017 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 411.1 ft (125.3 m) |
| Max Span | 189.0 ft (57.6 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 1077.6 sq m |
| Main Spans | 8 |
| Year Built | 1933 (reconstructed 2007) |
Traffic
| Avg Daily Traffic | 4,100 (2023) |
| Truck Traffic | 17% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000014805 |