US 12 over Ten Mile Creek
Good Condition38 years old5,018 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 5m W Helena |
| Carries | US 12 |
| Crosses | Ten Mile Creek |
| Coordinates | 46.57700, -112.15627 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 108.6 ft (33.1 m) |
| Max Span | 105.0 ft (32 m) |
| Deck Width | 70.2 ft (21.4 m) |
| Deck Area | 708.3 sq m |
| Main Spans | 1 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 5,018 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00008036+09441 |