MDOT Michigan Box Culvert Drainage | Infrastructure Protection
Southeast Michigan
Industry: Transportation
Material: Reinforced Concrete
Product: JF4ABS
State: MI
Case Study Details
The Michigan Department of Transportation (MDOT) undertook a major infrastructure project to replace aging box culverts in Southeast Michigan. These concrete culvert structures are critical for managing stormwater runoff beneath roadways. Due to Michigan’s freeze-thaw cycles and high groundwater, proper drainage is essential to prevent hydrostatic pressure buildup that can crack and destabilize concrete structures.
Products Used
- 48 units of JET Filter – JF4ABS: 4″ Diameter Open End Maintainable Weep Hole Filter, featuring ABS Plastic Housing and Mirafi® Filter-Weave FW 300 Geotextile Filter Media.
Solutions
The JET Filter weep hole system was installed through the box culvert headwalls to provide continuous hydrostatic pressure relief. This protects against seasonal ground saturation, prevents soil migration, and allows for future maintenance access without excavation.
Technical Details
| Project Location | Southeast Michigan |
| Project Type | Box Culvert Replacement |
| Drainage Components | 48 JET Filter JF4ABS Weep Holes |
| Structure Type | Reinforced Concrete Box Culvert |
| Owner | Michigan Department of Transportation |
| Completion Date | 2023 |
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