Rock Creek Lake RD over Rock Creek 079
Good Condition17 years old100 vehicles/day
Location
| State | Montana |
| County | Powell |
| Location | 8m NW Deer Lodge |
| Carries | Rock Creek Lake RD |
| Crosses | Rock Creek 079 |
| Coordinates | 46.42847, -112.93944 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 16.4 ft (5 m) |
| Deck Area | 76 sq m |
| Main Spans | 1 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L39006008+01001 |