M-6(rmp B To I-96) over Thornapple River
Good Condition29 years old11,738 vehicles/day
Location
| State | Michigan |
| County | Kent |
| Location | Cascade Twp Sec 22 |
| Carries | M-6(rmp B To I-96) |
| Crosses | Thornapple River |
| Coordinates | 42.88783, -85.48598 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1085.6 ft (330.9 m) |
| Max Span | 181.8 ft (55.4 m) |
| Deck Width | 46.6 ft (14.2 m) |
| Deck Area | 4698.8 sq m |
| Main Spans | 6 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 11,738 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012737 |