Riley Street over Black River
Good Condition50 years old910 vehicles/day
Location
| State | Michigan |
| County | Ottawa |
| Location | Section 16 Zeeland Twp |
| Carries | Riley Street |
| Crosses | Black River |
| Coordinates | 42.82666, -85.96248 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 54.8 ft (16.7 m) |
| Max Span | 52.8 ft (16.1 m) |
| Deck Width | 36.4 ft (11.1 m) |
| Deck Area | 185.4 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 910 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000008928 |