S 366-ledger RD over Int Ledger-i 15
Fair Condition54 years old187 vehicles/day
Location
| State | Montana |
| County | Pondera |
| Location | 6m N Conrad |
| Carries | S 366-ledger RD |
| Crosses | Int Ledger-i 15 |
| Coordinates | 48.26361, -111.93616 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 292.0 ft (89 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 925.6 sq m |
| Main Spans | 4 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 187 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00366000+00001 |