IRR Us018 over Branch Of Choteau Ck
Fair Condition65 years old556 vehicles/day
Location
| State | South Dakota |
| County | Douglas |
| Location | 0.1 E Charles Mix Co Line |
| Carries | IRR Us018 |
| Crosses | Branch Of Choteau Ck |
| Coordinates | 43.23937, -98.24579 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 128.6 ft (39.2 m) |
| Max Span | 25.6 ft (7.8 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 411.6 sq m |
| Main Spans | 5 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 556 (2024) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000022232180 |