SH 75 over Malm Gulch
Good Condition38 years old600 vehicles/day
Location
| State | Idaho |
| County | Custer |
| Location | 12.1 S. Challis |
| Carries | SH 75 |
| Crosses | Malm Gulch |
| Coordinates | 44.35497, -114.26347 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Frame |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 20.3 ft (6.2 m) |
| Deck Width | 84.3 ft (25.7 m) |
| Deck Area | 172.2 sq m |
| Main Spans | 1 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 600 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000017810 |