Forest Road 421 over Little Mallard Creek
Poor Condition42 years old50 vehicles/day
Location
| State | Idaho |
| County | Idaho |
| Location | At Salmon River |
| Carries | Forest Road 421 |
| Crosses | Little Mallard Creek |
| Coordinates | 45.52961, -115.30533 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 2 (Critical) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 35.8 sq m |
| Main Spans | 1 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 50 |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 822 |
| Inspection Frequency | Every 12 months |
| Owner | U.S. Forest Service |
| Historical Significance | Historical significance is not determined |
| Structure Number | 011705000000082 |