IRR Sd050 over Dry Choteau Ck
Fair Condition66 years old1,280 vehicles/day
Location
| State | South Dakota |
| County | Bon Homme |
| Location | 2.1 W Of Avon |
| Carries | IRR Sd050 |
| Crosses | Dry Choteau Ck |
| Coordinates | 43.01006, -98.11178 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 94.2 ft (28.7 m) |
| Max Span | 18.4 ft (5.6 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 301.4 sq m |
| Main Spans | 5 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 1,280 (2024) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000005029110 |