S 566-tongue R RD over Tongue River
Fair Condition46 years old53 vehicles/day
Location
| State | Montana |
| County | Rosebud |
| Location | 31m SW Ashland |
| Carries | S 566-tongue R RD |
| Crosses | Tongue River |
| Coordinates | 45.26866, -106.62521 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 179.1 ft (54.6 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 573.3 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 53 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00566031+03501 |