Thornville Road over South Br. Flint River
Good Condition37 years old145 vehicles/day
Location
| State | Michigan |
| County | Lapeer |
| Location | Sec. 18 Dryden Twp. |
| Carries | Thornville Road |
| Crosses | South Br. Flint River |
| Coordinates | 42.94095, -83.22363 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 31.8 ft (9.7 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 91.2 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 145 (2016) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005415 |