Lower Canal RD over Fly Creek 143
Fair Condition43 years old100 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 2m SW Pompey`s Pillar |
| Carries | Lower Canal RD |
| Crosses | Fly Creek 143 |
| Coordinates | 45.97206, -107.99034 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 65.9 ft (20.1 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 158.8 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
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 | L56110003+01001 |