Trunk Butte RD over No Name Coulee 078
Fair Condition66 years old100 vehicles/day
Location
| State | Montana |
| County | Pondera |
| Location | 7m N Williams |
| Carries | Trunk Butte RD |
| Crosses | No Name Coulee 078 |
| Coordinates | 48.36704, -112.03426 |
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 | 70.9 ft (21.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 159.8 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L37043007+00001 |