66th Street over M Br Black River
Fair Condition77 years old1,133 vehicles/day
Location
| State | Michigan |
| County | Allegan |
| Location | S Of 103rd AVE |
| Carries | 66th Street |
| Crosses | M Br Black River |
| Coordinates | 42.43973, -86.18759 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 63.6 ft (19.4 m) |
| Deck Width | 29.5 ft (9 m) |
| Deck Area | 178.2 sq m |
| Main Spans | 1 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,133 (2003) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000190 |