254th ST HWY 122 over Colton Ck
Fair Condition28 years old611 vehicles/day
Location
| State | South Dakota |
| County | Minnehaha |
| Location | 1.4s & 2.3w Lyons |
| Carries | 254th ST HWY 122 |
| Crosses | Colton Ck |
| Coordinates | 43.70326, -96.91554 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 31.2 ft (9.5 m) |
| Max Span | 10.8 ft (3.3 m) |
| Deck Area | 69.3 sq m |
| Main Spans | 3 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 611 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000050107100 |