S 323 over Little Missouri River
Fair Condition43 years old216 vehicles/day
Location
| State | Montana |
| County | Carter |
| Location | 15m NE Alzada |
| Carries | S 323 |
| Crosses | Little Missouri River |
| Coordinates | 45.19897, -104.29719 |
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 | 142.4 ft (43.4 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 455.7 sq m |
| Main Spans | 2 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 216 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00323056+05001 |