484th AVE HWY 109 over Split Rock Creek
Poor Condition52 years old448 vehicles/day
Location
| State | South Dakota |
| County | Minnehaha |
| Location | 1w & 2.8s Garretson |
| Carries | 484th AVE HWY 109 |
| Crosses | Split Rock Creek |
| Coordinates | 43.67564, -96.53135 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| 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 | 255.6 ft (77.9 m) |
| Max Span | 98.1 ft (29.9 m) |
| Deck Width | 34.8 ft (10.6 m) |
| Deck Area | 825.7 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 448 (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 | 000000050300118 |