Thornville Road over South Br. Flint River
Fair Condition40 years old283 vehicles/day
Location
| State | Michigan |
| County | Lapeer |
| Location | Sec. 7 Dryden Twp. |
| Carries | Thornville Road |
| Crosses | South Br. Flint River |
| Coordinates | 42.94436, -83.22380 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 42.3 ft (12.9 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 125.1 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
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 | 000000000005416 |