Armington RD over Big Otter Creek 029
Fair Condition72 years old100 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 3m SE Belt |
| Carries | Armington RD |
| Crosses | Big Otter Creek 029 |
| Coordinates | 47.34596, -110.89558 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 77.1 ft (23.5 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 213.8 sq m |
| Main Spans | 3 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L07228004+05001 |