The I-229 double-decker bridge is a unique piece of St. Joseph infrastructure that has served the community since it was completed in 1986. After completing an Environmental Assessment (EA), it was determined that the double-decker bridge will be removed and replaced with an at-grade four-lane roadway (raised where needed for flood resilience).

This southern St. Joseph intersection is vital to local, motor carrier and rail traffic. The intersection improvement project aims to improve tractor-trailer turning movements and increase capacity for vehicles stopped at the Route U train crossing.

The intersection of U.S. Route 169, N.E. Woodbine Road and N.E. County Line Road, located just north of St. Joseph, was identified for an intersection improvement project with the goal of reducing speed, the number of crash points, and confusion by providing clear direction. 

MoDOT is designing a project to improve the intersection of U.S. Route 36 and Missouri Route 129 near Bucklin. To improve traffic flow, improve sight distance, and reduce crash points, the existing crossover will be removed and replaced with a J-turn.