US 87 over Ross Fork Creek
Good Condition55 years old3,335 vehicles/day
Location
| State | Montana |
| County | Judith Basin |
| Location | 3m E Hobson |
| Carries | US 87 |
| Crosses | Ross Fork Creek |
| Coordinates | 46.99544, -109.79259 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 179.1 ft (54.6 m) |
| Max Span | 66.9 ft (20.4 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 764.4 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 3,335 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00057062+05331 |