Precast vs. Cast in Place

Status: Complete
Report 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.).

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

Final Deliverables:

Precast vs. Cast in Place Concrete Box Culverts (Report #2025RIC05)
Cast-in-Place: Box Culvert Guidance (Guidebook #2025RIC05G)