IRR BIA RTE 12 over Mission Dam Creek
Good Condition16 years old30 vehicles/day
Location
| State | Montana |
| County | Lake |
| Location | 3.2km E Of ST Ignatius Mt |
| Carries | IRR BIA RTE 12 |
| Crosses | Mission Dam Creek |
| Coordinates | 47.31214, -114.02519 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 56.8 ft (17.3 m) |
| Max Span | 53.5 ft (16.3 m) |
| Deck Width | 18.4 ft (5.6 m) |
| Deck Area | 96.9 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 30 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000P852 |