County Route 510 over Yellow Dog River
Fair Condition53 years old314 vehicles/day
Location
| State | Michigan |
| County | Marquette |
| Location | 6 Mi South Of Big Bay |
| Carries | County Route 510 |
| Crosses | Yellow Dog River |
| Coordinates | 46.72663, -87.71496 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 155.5 sq m |
| Main Spans | 1 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 314 (2001) |
| 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 | 000000000006556 |