Cottonwood RD over S Cottonwood Creek 123
Fair Condition12 years old100 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 3.5m SE Gallatin Gateway |
| Carries | Cottonwood RD |
| Crosses | S Cottonwood Creek 123 |
| Coordinates | 45.57703, -111.14618 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 39.4 ft (12 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 90.3 sq m |
| Main Spans | 1 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L16703003+05001 |