21 Mile Road over North Br Clinton River
Fair Condition30 years old18,841 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | 0.1 Mi West Of North AVE |
| Carries | 21 Mile Road |
| Crosses | North Br Clinton River |
| Coordinates | 42.64420, -82.87823 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 224.1 ft (68.3 m) |
| Max Span | 53.5 ft (16.3 m) |
| Deck Width | 78.4 ft (23.9 m) |
| Deck Area | 1632.4 sq m |
| Main Spans | 4 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 18,841 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000012655 |