Black River Road over Black River
Fair Condition51 years old1,100 vehicles/day
Location
| State | Michigan |
| County | Cheboygan |
| Location | Between Sec 7&8 T36nr1e |
| Carries | Black River Road |
| Crosses | Black River |
| Coordinates | 45.51709, -84.35100 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 240.2 ft (73.2 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 907.7 sq m |
| Main Spans | 5 |
| Year Built | 1975 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 1,100 (2019) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001538 |