US 91 over Blackfoot Canal
Poor Condition75 years old4,600 vehicles/day
Location
| State | Idaho |
| County | Bingham |
| Location | 1.0 N Firth |
| Carries | US 91 |
| Crosses | Blackfoot Canal |
| Coordinates | 43.31806, -112.17203 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 137.6 sq m |
| Main Spans | 1 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 4,600 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000017540 |