I90 Wf (offett St) over Boxelder Ck
Fair Condition73 years old6,684 vehicles/day
Location
| State | South Dakota |
| County | Pennington |
| Location | 1.6 E Elk Vale RD Interch |
| Carries | I90 Wf (offett St) |
| Crosses | Boxelder Ck |
| Coordinates | 44.11158, -103.12443 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 166.3 ft (50.7 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 496.9 sq m |
| Main Spans | 3 |
| Year Built | 1953 (reconstructed 1962) |
Traffic
| Avg Daily Traffic | 6,684 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000052462279 |