Duncan ST over River Raisin
Poor Condition56 years old2,300 vehicles/day
Location
| State | Michigan |
| County | Washtenaw |
| Location | In Village Of Manchester |
| Carries | Duncan ST |
| Crosses | River Raisin |
| Coordinates | 42.14917, -84.03692 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 48.9 ft (14.9 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 153.5 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 2,300 (1997) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000011083 |