Washboard RD over Dog Creek 101
Fair Condition43 years old100 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | W Suffolk |
| Carries | Washboard RD |
| Crosses | Dog Creek 101 |
| Coordinates | 47.46794, -109.35957 |
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 | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 60.8 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L14043000+02001 |