Frontage Road 114 over Yellowstone River 015
Fair Condition81 years old100 vehicles/day
Location
| State | Montana |
| County | Prairie |
| Location | 1m NE Fallon |
| Carries | Frontage Road 114 |
| Crosses | Yellowstone River 015 |
| Coordinates | 46.85535, -105.11676 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Thru |
| Total Length | 1144.7 ft (348.9 m) |
| Max Span | 285.8 ft (87.1 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 3140.1 sq m |
| Main Spans | 4 |
| Year Built | 1945 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | L40114001+05001 |