Frontage Road 018 over Irrigation Ditch 001
Poor Condition93 years old281 vehicles/day
Location
| State | Montana |
| County | Treasure |
| Location | 1m E Hysham |
| Carries | Frontage Road 018 |
| Crosses | Irrigation Ditch 001 |
| Coordinates | 46.29444, -107.21646 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 66.4 sq m |
| Main Spans | 1 |
| Year Built | 1933 (reconstructed 1955) |
Traffic
| Avg Daily Traffic | 281 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L52086000+05001 |