Thornville Road over South Br. Flint River
Good Condition41 years old201 vehicles/day
Location
| State | Michigan |
| County | Lapeer |
| Location | Sec. 19 Dryden Twp. |
| Carries | Thornville Road |
| Crosses | South Br. Flint River |
| Coordinates | 42.92821, -83.22312 |
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 | 42.0 ft (12.8 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 121.6 sq m |
| Main Spans | 1 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 201 (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 | 000000000005414 |