Cottonwood Cnyn RD over Cottonwood Creek 041
Fair Condition40 years old100 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 4m SE Gallatin Gateway |
| Carries | Cottonwood Cnyn RD |
| Crosses | Cottonwood Creek 041 |
| Coordinates | 45.56137, -111.11293 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 71.5 sq m |
| Main Spans | 1 |
| Year Built | 1986 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L16810000+03001 |