Old Darby RD over Sleeping Child Creek 075
Fair Condition54 years old200 vehicles/day
Location
| State | Montana |
| County | Ravalli |
| Location | 6m S Hamilton |
| Carries | Old Darby RD |
| Crosses | Sleeping Child Creek 075 |
| Coordinates | 46.16100, -114.15873 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Area | 73.7 sq m |
| Main Spans | 1 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 200 (2023) |
| 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 | L41600005+01001 |