40370 311th Street over Choteau Creak
Poor Condition121 years old50 vehicles/day
Location
| State | South Dakota |
| County | Bon Homme |
| Location | 10.2w & 1n Of Springfield |
| Carries | 40370 311th Street |
| Crosses | Choteau Creak |
| Coordinates | 42.88016, -98.11370 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 4 (Poor) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 1 (Imminent Failure) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 85.3 ft (26 m) |
| Max Span | 53.8 ft (16.4 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 127.4 sq m |
| Main Spans | 1 |
| Year Built | 1905 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 50 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 620 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000005028200 |