Aging MDOT Cast-in-Place Culvert Replaced with Precast Bill Washabaugh, Northern Concrete Pipe, Inc. Will Thompson, P.E., Lansing Transportation Service Center Manager Michigan Department of Transportation An aging three-sided cast-in-place (7-foot x 7-foot) box culvert constructed in 1946 under M-43, west of Grand Ledge, MI was compromised by degradational scour, which undermined its foundation and footings. […]
