9th ST N over Missouri River
Fair Condition30 years old14,024 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | Great Falls-9th-10 ST N |
| Carries | 9th ST N |
| Crosses | Missouri River |
| Coordinates | 47.52069, -111.29111 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| 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 | 1232.3 ft (375.6 m) |
| Max Span | 123.7 ft (37.7 m) |
| Deck Width | 65.6 ft (20 m) |
| Deck Area | 7,512 sq m |
| Main Spans | 10 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 14,024 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | U05211000+01071 |