30830 405th AVE over Trib. To Choteau Creek
Poor Condition91 years old60 vehicles/day
Location
| State | South Dakota |
| County | Bon Homme |
| Location | 6.3 S 1 W Avon |
| Carries | 30830 405th AVE |
| Crosses | Trib. To Choteau Creek |
| Coordinates | 42.92014, -98.08934 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 34.1 ft (10.4 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 64.5 sq m |
| Main Spans | 1 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 60 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000005040173 |