Third Avenue S over Little Casino Creek 138
Poor Condition20 years old100 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | Lewistown-3rd AVE S |
| Carries | Third Avenue S |
| Crosses | Little Casino Creek 138 |
| Coordinates | 47.06132, -109.42013 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 27.6 ft (8.4 m) |
| Max Span | 26.6 ft (8.1 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 83.2 sq m |
| Main Spans | 1 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | M14071000+00801 |