US 87 over Cottonwood Creek
Fair Condition17 years old2,589 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | 5m SW Lewistown |
| Carries | US 87 |
| Crosses | Cottonwood Creek |
| Coordinates | 47.05301, -109.55902 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 132.2 ft (40.3 m) |
| Max Span | 101.7 ft (31 m) |
| Deck Width | 39.4 ft (12 m) |
| Deck Area | 483.6 sq m |
| Main Spans | 1 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 2,589 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00057075+05591 |