US 89 over S Fk Dry Fk Marias River
Good Condition13 years old518 vehicles/day
Location
| State | Montana |
| County | Pondera |
| Location | 5m SE Dupuyer |
| Carries | US 89 |
| Crosses | S Fk Dry Fk Marias River |
| Coordinates | 48.13506, -112.39061 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 38.7 ft (11.8 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 39.4 ft (12 m) |
| Deck Area | 141.6 sq m |
| Main Spans | 1 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 518 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00003067+06141 |