Thornville Road over South Br. Flint River
Fair Condition37 years old283 vehicles/day
Location
| State | Michigan |
| County | Lapeer |
| Location | Sec. 7 Dryden Twp. |
| Carries | Thornville Road |
| Crosses | South Br. Flint River |
| Coordinates | 42.94930, -83.22413 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 56.1 ft (17.1 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 167.6 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 283 (2021) |
| Truck Traffic | 5% |
| 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 | 000000000005417 |