IRR Us018 over Slim Butte Ck
Fair Condition73 years old1,294 vehicles/day
Location
| State | South Dakota |
| County | County 102 |
| Location | 9 E Fall River Co Line |
| Carries | IRR Us018 |
| Crosses | Slim Butte Ck |
| Coordinates | 43.18991, -102.82516 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 118.4 ft (36.1 m) |
| Max Span | 37.7 ft (11.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 353.8 sq m |
| Main Spans | 3 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 1,294 (2024) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000057096359 |