Helsa RD over Sep I 15 012
Good Condition55 years old100 vehicles/day
Location
| State | Montana |
| County | Toole |
| Location | 2m N Oilmont |
| Carries | Helsa RD |
| Crosses | Sep I 15 012 |
| Coordinates | 48.76906, -111.86276 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 224.7 ft (68.5 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 630.2 sq m |
| Main Spans | 2 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
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 | L51040004+04301 |