Whittish Hill RD over Big Muddy Creek 035
Fair Condition37 years old100 vehicles/day
Location
| State | Montana |
| County | Sheridan |
| Location | 2m S Antelope |
| Carries | Whittish Hill RD |
| Crosses | Big Muddy Creek 035 |
| Coordinates | 48.66193, -104.47133 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 65.9 ft (20.1 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 158.8 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L46420001+01001 |