254th ST HWY 122 over Big Sioux River
Fair Condition43 years old912 vehicles/day
Location
| State | South Dakota |
| County | Minnehaha |
| Location | 4s & 0.3w Baltic |
| Carries | 254th ST HWY 122 |
| Crosses | Big Sioux River |
| Coordinates | 43.70320, -96.73693 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 211.9 ft (64.6 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 684.8 sq m |
| Main Spans | 3 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 912 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000050197100 |