IRR - S 251 over Kirn Coulee
Good Condition18 years old88 vehicles/day
Location
| State | Montana |
| County | Roosevelt |
| Location | 22m NE Poplar |
| Carries | IRR - S 251 |
| Crosses | Kirn Coulee |
| Coordinates | 48.36133, -105.08333 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 12.8 ft (3.9 m) |
| Deck Area | 65.5 sq m |
| Main Spans | 2 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 88 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00251017+08001 |