81st So./cotton RD over Butte Arm Canal
Fair Condition76 years old360 vehicles/day
Location
| State | Idaho |
| County | Bonneville |
| Location | 4.6 S. 1.6 W. Idaho Falls |
| Carries | 81st So./cotton RD |
| Crosses | Butte Arm Canal |
| Coordinates | 43.42478, -112.06994 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 30.2 ft (9.2 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 78.2 sq m |
| Main Spans | 1 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 360 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000031165 |