Blue Lakes Road over Black River
Good Condition32 years old50 vehicles/day
Location
| State | Michigan |
| County | Montmorency |
| Location | Sec 21 Montmorency Twp W |
| Carries | Blue Lakes Road |
| Crosses | Black River |
| Coordinates | 45.15240, -84.32328 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Box Beam - Multiple |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 37.7 ft (11.5 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 111.0 sq m |
| Main Spans | 1 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 50 (2008) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007544 |