Ryan RD over Plum Brook Drain
Good Condition27 years old22,653 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | North Of 18.5 Mile RD |
| Carries | Ryan RD |
| Crosses | Plum Brook Drain |
| Coordinates | 42.60146, -83.07109 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 32.2 ft (9.8 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Area | 164.6 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 22,653 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006428 |