40430 308th Street over Choteau Creek
Poor Condition114 years old60 vehicles/day
Location
| State | South Dakota |
| County | Bon Homme |
| Location | 6s & 1.8w Of Avon |
| Carries | 40430 308th Street |
| Crosses | Choteau Creek |
| Coordinates | 42.92346, -98.10642 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 2 (Critical) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 112.5 ft (34.3 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 168.1 sq m |
| Main Spans | 1 |
| Year Built | 1912 |
Traffic
| Avg Daily Traffic | 60 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 719 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000005032170 |