US 89 over Shields River
Fair Condition45 years old1,271 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 1m N Clyde Park |
| Carries | US 89 |
| Crosses | Shields River |
| Coordinates | 45.90470, -110.61168 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 152.6 ft (46.5 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 655.6 sq m |
| Main Spans | 2 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 1,271 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00059016+06481 |