Sd231 over Boxelder Ck
Good Condition52 years old9,071 vehicles/day
Location
| State | South Dakota |
| County | Pennington |
| Location | 0.8 S Meade Co Line |
| Carries | Sd231 |
| Crosses | Boxelder Ck |
| Coordinates | 44.13204, -103.29903 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 389.1 ft (118.6 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 1541.8 sq m |
| Main Spans | 7 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 9,071 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000052377268 |