Derby DR over No Name Coulee 027
Good Condition21 years old100 vehicles/day
Location
| State | Montana |
| County | Pondera |
| Location | 2m SW Conrad |
| Carries | Derby DR |
| Crosses | No Name Coulee 027 |
| Coordinates | 48.14491, -111.98583 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 56.2 sq m |
| Main Spans | 2 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L37340000+07001 |