Jackknife Road over Jackknife Creek
Fair Condition50 years old160 vehicles/day
Location
| State | Idaho |
| County | Bonneville |
| Location | 0.9 N. 16.8 E. Grays Lake |
| Carries | Jackknife Road |
| Crosses | Jackknife Creek |
| Coordinates | 43.04461, -111.04608 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 75.9 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 160 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000031200 |