RD 352 over Twelvemile Creek
Poor Condition71 years old50 vehicles/day
Location
| State | Montana |
| County | Mineral |
| Location | Henderson-thompson |
| Carries | RD 352 |
| Crosses | Twelvemile Creek |
| Coordinates | 47.41956, -115.24338 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 28.2 ft (8.6 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 15.4 ft (4.7 m) |
| Deck Area | 40.4 sq m |
| Main Spans | 1 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 50 |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 011607000000068 |