S 366-ledger RD over Dry Fork Marias River
Fair Condition74 years old169 vehicles/day
Location
| State | Montana |
| County | Pondera |
| Location | Ledger |
| Carries | S 366-ledger RD |
| Crosses | Dry Fork Marias River |
| Coordinates | 48.26033, -111.81952 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 107.0 ft (32.6 m) |
| Max Span | 53.1 ft (16.2 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 267.3 sq m |
| Main Spans | 2 |
| Year Built | 1952 |
Traffic
| Avg Daily Traffic | 169 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00366005+09001 |