Upper Harb RD over Drainage 057
Poor Condition76 years old100 vehicles/day
Location
| State | Montana |
| County | Phillips |
| Location | 16m E Malta |
| Carries | Upper Harb RD |
| Crosses | Drainage 057 |
| Coordinates | 48.28108, -107.61731 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 37.7 ft (11.5 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 71.3 sq m |
| Main Spans | 2 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L36205005+08001 |