Drivers who use the I-635/I-29/Route 9/Route 69 interchange will see some bridgework starting Thursday that will last into the early summer months.
Crews will close the ramp from southbound I-635 to southbound Route 9 and the ramp from northbound I-29 to southbound I-635 until June.
Drivers should detour to Horizons Parkway and 56th Street.
Friday, the ramp from southbound Route 9 to northbound I-635 will close through June. The ramp from northbound Route 9 to northbound I-635 will also be closed. MoDOT recommends drivers detour to Horizons Parkway.