Route 415 over Tahquamenon River
Fair Condition52 years old40 vehicles/day
Location
| State | Michigan |
| County | Luce |
| Location | 2 Mi. N. Mc Millan |
| Carries | Route 415 |
| Crosses | Tahquamenon River |
| Coordinates | 46.36332, -85.68570 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 86.9 ft (26.5 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 246.4 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 40 (2016) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005917 |