I090 E over Big Buffalo Ck
Good Condition59 years old3,525 vehicles/day
Location
| State | South Dakota |
| County | Jackson |
| Location | 1.0 E Sd 240 S Interch |
| Carries | I090 E |
| Crosses | Big Buffalo Ck |
| Coordinates | 43.83600, -101.86993 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 133.9 ft (40.8 m) |
| Max Span | 44.0 ft (13.4 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 505.9 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 3,525 (2024) |
| Truck Traffic | 28% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000036135111 |