Grafton Road over N Branch Swan Creek
Fair Condition100 years old2,730 vehicles/day
Location
| State | Michigan |
| County | Monroe |
| Location | 7.6 Mi N Of US 24 |
| Carries | Grafton Road |
| Crosses | N Branch Swan Creek |
| Coordinates | 42.08864, -83.38126 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 34.8 ft (10.6 m) |
| Max Span | 33.5 ft (10.2 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 129.3 sq m |
| Main Spans | 1 |
| Year Built | 1926 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 2,730 (2017) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000007299 |