Marathon Road over Flint River
Good Condition11 years old1,491 vehicles/day
Location
| State | Michigan |
| County | Lapeer |
| Location | Village Of Columbiaville |
| Carries | Marathon Road |
| Crosses | Flint River |
| Coordinates | 43.15934, -83.40812 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Single/Spread |
| Total Length | 165.0 ft (50.3 m) |
| Max Span | 53.8 ft (16.4 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 563.4 sq m |
| Main Spans | 3 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 1,491 (2013) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000005480 |