30 Mile Road over Tupper Brook Drain
Good Condition57 years old238 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | 0.4 Mi East Of Hartway RD |
| Carries | 30 Mile Road |
| Crosses | Tupper Brook Drain |
| Coordinates | 42.77630, -82.89219 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 5 (Fair) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 42.7 sq m |
| Main Spans | 2 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 238 (2009) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006378 |