Precast vs. Cast in PlaceStatus: CompleteReport Date: 09/17/2025 Summary: Since the pandemic in 2020, supply chain and labor shortage issues have caused delays and price escalations in road construction; one specific area is precast concrete box culverts. Supply chain issues have worsened in Minnesota due to business acquisitions. Local agencies are looking for data/information on cast-in-place concrete box culvert bridges (as used by IA, MO, WI, etc.). Final Deliverables: Precast vs. Cast in Place Concrete Box Culverts (Report #2025RIC05) Cast-in-Place: Box Culvert Guidance (Guidebook #2025RIC05G) Related Materials: Related Research: Project Personnel: Principal Investigator: Michael Marti Co-Principal Investigator: Susan Miller Technical Liaison: David Conkel, Aaron Holmbeck Project Coordinator: David Glyer Panel Members: Daniel Freiburger - Bridges David Kramer - Winona County Highway Department Jeremy Gilb - Chippewa County Highway Joe MacPherson - Anoka County Joseph Black - Bridges Justin Zimmerman - WHKS & Co Marc Briese - State Aid for Local Transp Michal Hanson - Mower County Public Works Ron Gregg - Fillmore County Hwy Dept