US 89 over Dry Fork Marias River
Good Condition20 years old518 vehicles/day
Location
| State | Montana |
| County | Pondera |
| Location | 3m SE Dupuyer |
| Carries | US 89 |
| Crosses | Dry Fork Marias River |
| Coordinates | 48.15567, -112.42902 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 97.4 ft (29.7 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 37.7 ft (11.5 m) |
| Deck Area | 341.6 sq m |
| Main Spans | 1 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 518 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00003070+09701 |