I 15 over Ten Mile Creek
Good Condition64 years old6,202 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 4m N Helena |
| Carries | I 15 |
| Crosses | Ten Mile Creek |
| Coordinates | 46.64815, -112.01124 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 51.5 ft (15.7 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 197.8 sq m |
| Main Spans | 1 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 6,202 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015196+01921 |