I090 WB Off Ramp over Main ST R&w Rr
Fair Condition52 years old335 vehicles/day
Location
| State | South Dakota |
| County | Brule |
| Location | Chamberlain Interch |
| Carries | I090 WB Off Ramp |
| Crosses | Main ST R&w Rr |
| Coordinates | 43.79536, -99.34219 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 274.3 ft (83.6 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 727.3 sq m |
| Main Spans | 4 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 335 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 3 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000008066095 |