485th Avenue over Four Mile Creek
Fair Condition33 years old13 vehicles/day
Location
| State | South Dakota |
| County | Minnehaha |
| Location | 2w & 2.8s Valley Springs |
| Carries | 485th Avenue |
| Crosses | Four Mile Creek |
| Coordinates | 43.54653, -96.51186 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 66.9 ft (20.4 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 199.9 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 13 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000050310208 |