Fly Creek RD over Fly Creek 139
Fair Condition66 years old100 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 4m SW Pompay`s Pillar |
| Carries | Fly Creek RD |
| Crosses | Fly Creek 139 |
| Coordinates | 45.92399, -107.98263 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 89.1 sq m |
| Main Spans | 1 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56124003+08001 |