Selkirk RD over Martinsdale Res Spwy 021
Fair Condition50 years old100 vehicles/day
Location
| State | Montana |
| County | Wheatland |
| Location | 8m W Two Dot |
| Carries | Selkirk RD |
| Crosses | Martinsdale Res Spwy 021 |
| Coordinates | 46.45653, -110.22960 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 19.4 ft (5.9 m) |
| Deck Area | 44.8 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L54016002+08001 |