Black River Road over Upper Black River
Fair Condition64 years old860 vehicles/day
Location
| State | Michigan |
| County | Cheboygan |
| Location | In Sec 13 T34n R1e |
| Carries | Black River Road |
| Crosses | Upper Black River |
| Coordinates | 45.33757, -84.26847 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 104.0 ft (31.7 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 294.8 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 860 (2005) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001535 |