Railroad Grade RD over Mercury Creek
Fair Condition114 years old40 vehicles/day
Location
| State | Idaho |
| County | Benewah |
| Location | 7.6 E. St. Maries |
| Carries | Railroad Grade RD |
| Crosses | Mercury Creek |
| Coordinates | 47.32525, -116.44689 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 85.0 ft (25.9 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 13.8 ft (4.2 m) |
| Deck Area | 108.8 sq m |
| Main Spans | 6 |
| Year Built | 1912 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 40 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 000000000037065 |