Aao Road over Big Dead River
Good Condition23 years old80 vehicles/day
Location
| State | Michigan |
| County | Marquette |
| Location | 0.05 Mi W Of Aat Road |
| Carries | Aao Road |
| Crosses | Big Dead River |
| Coordinates | 46.63260, -87.78287 |
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 | 107.0 ft (32.6 m) |
| Max Span | 102.0 ft (31.1 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 313.0 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 80 (2002) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000006566 |