Main ST N over Thirty Mile Creek
Fair Condition69 years old546 vehicles/day
Location
| State | Montana |
| County | Blaine |
| Location | Harlem |
| Carries | Main ST N |
| Crosses | Thirty Mile Creek |
| Coordinates | 48.53585, -108.78296 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 88.9 ft (27.1 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 214.1 sq m |
| Main Spans | 4 |
| Year Built | 1957 |
Traffic
| Avg Daily Traffic | 546 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00241001+02531 |