Norman Road over Black River
Fair Condition91 years old310 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec.29-32 Grant Twp. |
| Carries | Norman Road |
| Crosses | Black River |
| Coordinates | 43.09253, -82.61797 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 149.9 ft (45.7 m) |
| Max Span | 73.2 ft (22.3 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 361.0 sq m |
| Main Spans | 2 |
| Year Built | 1935 (reconstructed 1982) |
Traffic
| Avg Daily Traffic | 310 (2012) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010074 |