M-13 over Kawkawlin River
Fair Condition95 years old17,442 vehicles/day
Location
| State | Michigan |
| County | Bay |
| Location | In Kawkawlin |
| Carries | M-13 |
| Crosses | Kawkawlin River |
| Coordinates | 43.65373, -83.94449 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 111.5 ft (34 m) |
| Max Span | 54.8 ft (16.7 m) |
| Deck Width | 60.7 ft (18.5 m) |
| Deck Area | 629 sq m |
| Main Spans | 2 |
| Year Built | 1931 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 17,442 (2007) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000000588 |