Frontage Road 005 over Int Radar Base-i 94 004
Fair Condition65 years old100 vehicles/day
Location
| State | Montana |
| County | Custer |
| Location | 8m SW Miles City |
| Carries | Frontage Road 005 |
| Crosses | Int Radar Base-i 94 004 |
| Coordinates | 46.31946, -105.98901 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 216.5 ft (66 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 633.6 sq m |
| Main Spans | 4 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L09005002+03001 |