The Missouri Department of Transportation released details of the Highway 40 ramp closure in the following news release.
The Missouri Department of Transportation will close the westbound Interstate 64 exit ramp to Long Road in Chesterfield starting Monday, April 29 at 9 a.m. This is the ramp that goes over I-64 as part of the exit ramp, which will be closed for approximately two weeks. Crews will perform bridge maintenance work on the 45 year-old structure. This maintenance work is not part of the I-64 Daniel Boone Bridge Missouri River project.
To detour around this closure, motorists traveling westbound I-64 can exit at Spirit Boulevard and take Chesterfield Airport Road to Long Road.
The entrance ramp from Long Road to eastbound I-64 will remain open while the bridge work is being completed on the westbound exit ramp.