28 Mile Road over Salt River
Good Condition23 years old130 vehicles/day
Location
| State | Michigan |
| County | Macomb |
| Location | 0.4 Mi West Of Gratiot |
| Carries | 28 Mile Road |
| Crosses | Salt River |
| Coordinates | 42.74954, -82.77816 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 53.5 ft (16.3 m) |
| Deck Width | 40.7 ft (12.4 m) |
| Deck Area | 215.8 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 130 (2009) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006329 |