US 89 over Shields River
Fair Condition42 years old1,457 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 4m SE Clyde Park |
| Carries | US 89 |
| Crosses | Shields River |
| Coordinates | 45.83574, -110.56793 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 169.0 ft (51.5 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 726.1 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 1,457 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00059011+02601 |