US 287 over Dearborn River
Fair Condition63 years old460 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 14m NW Wolf Creek |
| Carries | US 287 |
| Crosses | Dearborn River |
| Coordinates | 47.19872, -112.09590 |
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 | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 298.9 ft (91.1 m) |
| Max Span | 112.9 ft (34.4 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 883.7 sq m |
| Main Spans | 3 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 460 (2023) |
| Truck Traffic | 9% |
| 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 | P00009013+00501 |