I 15 over Int 1st ST NE
Fair Condition65 years old955 vehicles/day
Location
| State | Montana |
| County | Toole |
| Location | Sunburst |
| Carries | I 15 |
| Crosses | Int 1st ST NE |
| Coordinates | 48.88490, -111.90348 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 169.9 ft (51.8 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 466.2 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 955 (2023) |
| Truck Traffic | 40% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015389+08152 |