Sigler RD over Swan Creek
Poor Condition54 years old850 vehicles/day
Location
| State | Michigan |
| County | Monroe |
| Location | 1.75 Mi W Of I 75 |
| Carries | Sigler RD |
| Crosses | Swan Creek |
| Coordinates | 42.03647, -83.32127 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 119.8 ft (36.5 m) |
| Max Span | 38.7 ft (11.8 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 339.4 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 850 (2017) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007293 |