Red Bridge Road over Upper Black River
Good Condition27 years old140 vehicles/day
Location
| State | Michigan |
| County | Cheboygan |
| Location | Sec.5 T35n R1e |
| Carries | Red Bridge Road |
| Crosses | Upper Black River |
| Coordinates | 45.45065, -84.33724 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 188.0 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 140 (2022) |
| Truck Traffic | 5% |
| 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 | 000000000001553 |