Bolster RD over Big Muddy Creek 029
Fair Condition56 years old30 vehicles/day
Location
| State | Montana |
| County | Sheridan |
| Location | 6m SE Redstone |
| Carries | Bolster RD |
| Crosses | Big Muddy Creek 029 |
| Coordinates | 48.78396, -104.83639 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 133.6 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 30 (2023) |
| 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 | L46405000+04001 |