Gratiot Road over Richmond-columbus Dn Ext
Good Condition11 years old7,209 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | Sec. 32 Columbus Twp. |
| Carries | Gratiot Road |
| Crosses | Richmond-columbus Dn Ext |
| Coordinates | 42.81868, -82.71248 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 27.6 ft (8.4 m) |
| Max Span | 25.6 ft (7.8 m) |
| Deck Area | 127.7 sq m |
| Main Spans | 1 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 7,209 (2014) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000010043 |