US 87 over Drainage
Fair Condition87 years old1,148 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | 13m NW Grass Range |
| Carries | US 87 |
| Crosses | Drainage |
| Coordinates | 47.06194, -109.05308 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 56.8 ft (17.3 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 162.6 sq m |
| Main Spans | 3 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 1,148 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00057100+08861 |