I 15 Frontage RD over Cataract Creek 030
Poor Condition93 years old100 vehicles/day
Location
| State | Montana |
| County | Jefferson |
| Location | 1m E Basin |
| Carries | I 15 Frontage RD |
| Crosses | Cataract Creek 030 |
| Coordinates | 46.27112, -112.24192 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 79.7 ft (24.3 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 25.3 ft (7.7 m) |
| Deck Area | 187.1 sq m |
| Main Spans | 3 |
| Year Built | 1933 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L22099008+00001 |