Castner Falls RD over Bird Creek 038
Fair Condition88 years old100 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 5m E Cascade |
| Carries | Castner Falls RD |
| Crosses | Bird Creek 038 |
| Coordinates | 47.27657, -111.61204 |
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 | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 48.9 ft (14.9 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 117.7 sq m |
| Main Spans | 2 |
| Year Built | 1938 (reconstructed 1970) |
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 | L07415004+04001 |