63rd Street over M Br Black River
Good Condition39 years old31 vehicles/day
Location
| State | Michigan |
| County | Allegan |
| Location | Casco Twp Sec 23c |
| Carries | 63rd Street |
| Crosses | M Br Black River |
| Coordinates | 42.45365, -86.15826 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 73.2 ft (22.3 m) |
| Max Span | 35.8 ft (10.9 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 234.2 sq m |
| Main Spans | 2 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 31 (2020) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000222 |