I 15 over Int Spring Creek-rr
Fair Condition62 years old2,555 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 7m S Wolf Creek |
| Carries | I 15 |
| Crosses | Int Spring Creek-rr |
| Coordinates | 46.92153, -112.12262 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 539.4 ft (164.4 m) |
| Max Span | 71.5 ft (21.8 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 1578.2 sq m |
| Main Spans | 10 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 2,555 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015219+02181 |