Black River Road over Upper Black River
Poor Condition91 years old1,500 vehicles/day
Location
| State | Michigan |
| County | Cheboygan |
| Location | Sec 34 T36n R1e |
| Carries | Black River Road |
| Crosses | Upper Black River |
| Coordinates | 45.46790, -84.30305 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 3 (Serious) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 373.3 sq m |
| Main Spans | 3 |
| Year Built | 1935 |
Traffic
| Avg Daily Traffic | 1,500 (2005) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001537 |