218 ST over Lk Thompson Outlet
Fair Condition38 years old415 vehicles/day
Location
| State | South Dakota |
| County | Kingsbury |
| Location | S End Lk Thompson |
| Carries | 218 ST |
| Crosses | Lk Thompson Outlet |
| Coordinates | 44.22386, -97.44594 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 128.1 sq m |
| Main Spans | 1 |
| Year Built | 1988 (reconstructed 1999) |
Traffic
| Avg Daily Traffic | 415 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000039203220 |