US 20 Wbl over Menan Canal
Fair Condition51 years old9,750 vehicles/day
Location
| State | Idaho |
| County | Jefferson |
| Location | 3.7 N. Rigby |
| Carries | US 20 Wbl |
| Crosses | Menan Canal |
| Coordinates | 43.71806, -111.88142 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 43.6 ft (13.3 m) |
| Deck Area | 178.2 sq m |
| Main Spans | 1 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 9,750 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000012485 |