Aat Road over Mulligan Creek
Good Condition13 years old50 vehicles/day
Location
| State | Michigan |
| County | Marquette |
| Location | 8 Mi W Of HWY 510 On Att |
| Carries | Aat Road |
| Crosses | Mulligan Creek |
| Coordinates | 46.64021, -87.78707 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 49.9 ft (15.2 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 115.5 sq m |
| Main Spans | 1 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 50 (2012) |
| 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 | 000000000006564 |