Brooks St-us 12 over Bitterroot River
Fair Condition58 years old28,185 vehicles/day
Location
| State | Montana |
| County | Missoula |
| Location | Missoula-brooks ST |
| Carries | Brooks St-us 12 |
| Crosses | Bitterroot River |
| Coordinates | 46.83147, -114.05458 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 346.8 ft (105.7 m) |
| Max Span | 86.9 ft (26.5 m) |
| Deck Width | 86.0 ft (26.2 m) |
| Deck Area | 2769.3 sq m |
| Main Spans | 4 |
| Year Built | 1968 (reconstructed 1995) |
Traffic
| Avg Daily Traffic | 28,185 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00007090+01161 |