St. Louis Work Zones July 31-Aug. 6

ST. LOUIS — Beginning Friday, Aug. 1 at 8 p.m., MoDOT will shift southbound I-55 traffic onto newly constructed median pavement from south of Route Z to north of McNutt Street.

This shift will tie into the section from McNutt Street to south of U.S. Route 67, where southbound I-55 traffic is currently utilizing the median pavement.

Southbound I-55 traffic will be fully switched onto the new median by 7 a.m. on Monday, Aug. 4. Moving traffic onto the new median pavement allows for demolition of the existing southbound I-55 pavement and the southbound I-55 bridges over Herky Horine Road and Joachim Creek.

For real-time roadway weather conditions, go to http://traveler.modot.org/map. For real-time traffic, visit Welcome to Gateway Guide! | Missouri Department of Transportation (modot.org). All work is subject to change and may be shifted due to inclement weather.

Motorists should be aware of the following ongoing closures:

• I-55, St. Louis City, one southbound lane closed from I-44 to north of Bates and two southbound lanes closed north of Bates to north of Weber through 2025.
• I-55, St. Louis City and County, one northbound lane closed from north of Reavis Barracks to north of Bayless and two northbound lanes closed from north of Bayless to Virginia through 2025.
• I-55, St. Louis City, the ramp from Virginia to southbound is closed through December 2025.
• I-55, St. Louis City, the ramp from southbound to Loughborough and the Loughborough on-ramp to southbound will be closed through December 2025.
• I-55, St. Louis City, the ramp from Lafayette/Truman to southbound is closed through 2025.
• I-55, St. Louis City, the ramp from Germania to northbound is closed through 2025.
• I-55, St. Louis City, the ramp from southbound to Germania is closed through 2025.
• I-55, St. Louis County, one eastbound lane of Reavis Barracks under I-55 closed.
• I-170, St. Louis County, one northbound lane closed at westbound I-70 to overpass of westbound I-70 over northbound I-170.
• I-270, St. Louis, County, one northbound lane closed at I-44.
• I-270, St. Louis County, various northbound and southbound lanes narrowed between I-64 and Olive through late 2025.
• I-270, St. Louis County, Conway closed under I-270 through fall 2025.
• I-270, St. Louis County, westbound exit ramp to Riverview Drive closed.
• I-270, St. Louis County, on ramp from Riverview Drive to westbound I-270 closed.
• I-270, St. Louis County, the ramp from eastbound to southbound I-170 will be closed through September.
• Route 21, one lane northbound and southbound will be closed Musick to Tesson Creek Estates through late 2025.
• Route 67, St. Louis County, northbound and southbound Route 67 loop ramps to Route D closed. Route D westbound and eastbound loop ramps to Route 67 closed.
• Route 67, St. Louis County, one northbound and one southbound lane closed at Route D.
• Route 109, St. Louis County, the intersection of northbound/southbound Route 109 and eastbound/westbound Route CC closed through the end of 2025.
• Route 141, starting 9 p.m. Friday, Aug. 1, one southbound lane closed just north of I-70.
• Route 141, starting 9 p.m. Friday, Aug. 1, part of exit lane to eastbound I-70 entrance ramp closed. The ramp remains open.
• Route 141, St. Louis County, one southbound lane closed at I-64 through 2025.
• Route N, St. Louis County, one lane closed southbound from south of I-70 to Augusta.
• Route AC, St. Louis County, one northbound and one southbound lane closed at Maline Creek (just south of Lucas & Hunt).
• I-64, St. Charles County, two westbound lanes closed on the Daniel Boone Bridge over the Missouri River. One westbound lane remains on the westbound bridge and two westbound lanes shifted to the eastbound bridge through December 2025.
• Route K, St. Charles County, one lane, and the ramp to eastbound I-64 closed.
• Route MM, Franklin County, closed in both directions between Route T and Coleman Rd.
• Route 100, Franklin County, one eastbound lane closed on the Eastern Missouri Railroad bridge near Villa Ridge through early September 2025.
• I-55, Jefferson County, intersection of I-55 and Route 67 closed.
• I-55, Jefferson County, one lane of northbound/southbound I-55 closed from Route 67 to Route Z.
• I-55, Jefferson County, three left turn lanes closed at McNutt under the interstate. Traffic will move to the outside lanes. Drivers will be able to make a left turn onto the interstate ramp.
• I-55, Jefferson County, the ramp from southbound Route 67 to southbound I-55 will be closed through September 2025.
• Route 67, Jefferson County, one southbound lane closed at I-55.
• Route 67, Jefferson County, the southbound 67 to southbound I-55 loop ramp closed.
• Route Z, Jefferson County, three middle lanes closed in the center of Route Z. All traffic is pushed to the outside lanes. 

Please see the list of daily road closures, weather permitting:

Thursday, July 31

• I-64, St. Louis County, 9 a.m. to 3 p.m., one eastbound lane closed at Route 340.
• I-70, St. Louis County, 7 p.m. to 5 a.m., one lane closed westbound from Hanley to McDonnell. One lane and ramp under the eastbound I-70 overpass closed.
• I-70, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound from McDonnell to Hanley. One lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 8:30 p.m. to 6 a.m., one northbound and southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the eastbound and westbound I-70 overpass closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed on Pershall under I-270 from Hanley to Hazelwood Avenue.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one lane closed northbound from Mehlville Court to Buckley.
• Route D, St. Louis County, 6 p.m. to 6 a.m., one eastbound and westbound lane closed between I-170 and Pennsylvania.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed under the Route K bridge.
• I-64, St. Charles County, 8:30 p.m. to 6 a.m., one westbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one lane closed eastbound from Lake St. Louis Boulevard to Route 364.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Lake St. Louis Boulevard to Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed between Wentzville Parkway to Route Z.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one lane closed eastbound and westbound from Route Z to Route A.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed under the Route W bridge in Foristell.
• Route 79, St. Charles Count, 9 a.m. to 3 p.m., two of three lanes closed at Hostetter Circle. Flaggers will direct traffic through the work zone.
• Route Z, St. Charles County, 10 p.m. to 5 a.m., all lanes closed on Route Z under I-70.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed between Independence Drive to Route BB.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Gasconade/Franklin County line to Route C.
• Route 100, Franklin County, 8 p.m. to 5 a.m., one lane closed near I-44 exit. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 5 p.m. to 5 a.m., one lane closed from Main St. to Route M.
• Route MM, Franklin County, 6 a.m. to 4 p.m., one lane closed between Beauty Dr. and Purina Farms.
• Route 61/67, Jefferson County, 7 a.m. to 3 p.m., one lane closed northbound and southbound at Miller Road and St. Johns Church Road. 

Friday, August 1

• I-64, St. Louis City, 9 p.m. to 8 a.m., two eastbound and westbound lanes closed from Sarah to Jefferson.
• I-70, St. Louis County, 7 p.m. to 5 a.m., one lane closed westbound from Hanley to McDonnell. One lane and ramp under the eastbound I-70 overpass closed.
• I-70, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound from McDonnell to Hanley. One lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 7 a.m., one northbound and southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the eastbound and westbound I-70 overpass closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed on Pershall under I-270 from Hanley to Hazelwood Avenue.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one lane closed northbound from Mehlville Court to Buckley.
• Route D, St. Louis County, 6 p.m. to 6 a.m., one eastbound and westbound lane closed between I-170 and Pennsylvania.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed under the Route K bridge.
• I-64, St. Charles County, 8:30 p.m. to 6 a.m., one westbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one lane closed eastbound from Lake St. Louis Boulevard to Route 364.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Lake St. Louis Boulevard to Route 364.
• I-70, St. Charles County, 8 p.m. until 5 a.m. Monday, up to two lanes closed eastbound at the Blanchette Bridge over the Missouri River.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed between Wentzville Parkway to Route Z.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one lane closed eastbound and westbound from Route Z to Route A.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed under the Route W bridge in Foristell.
• Route 79, St. Charles County, 9 p.m. to 5 a.m., two lanes closed just north of I-70.
• Route Z, St. Charles County, 10 p.m. to 5 a.m., all lanes closed on Route Z under I-70.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed between Independence Drive to Route BB.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Gasconade/Franklin County line to Route C.
• Route 100, Franklin County, 8 p.m. to 5 a.m., one lane closed near I-44 exit. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 5 p.m. to 5 a.m., one lane closed from Main St. to Route M.
• Route MM, Franklin County, 6 a.m. to 4 p.m., one lane closed between Beauty Dr. and Purina Farms.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed south of UP Railroad bridge.
• Route 61/67, Jefferson County, 7 a.m. to 3 p.m., one lane closed northbound and southbound at Miller Road and St. Johns Church Road.
• Route 67, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed under the I-55 bridge.

Saturday, August 2

• I-170, St. Louis County, 9 p.m. to 8 a.m., one northbound and southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the eastbound and westbound I-70 overpass closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed on Pershall under I-270 from Hanley to Hazelwood Avenue.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8:30 p.m. to 7 a.m., one westbound lane closed from Lake St. Louis Boulevard to Route 364.
• I-70, St. Charles County, until 5 a.m. Monday, up to two lanes closed eastbound at the Blanchette Bridge over the Missouri River.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed south of UP Railroad bridge.
• Route 67, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed under the I-55 bridge. 

Sunday, August 3

• I-70, St. Charles County, until 5 a.m. Monday, up to two lanes closed eastbound at the Blanchette Bridge over the Missouri River.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed south of UP Railroad bridge.

Monday, August 4

• I-64, St. Louis City, 6 a.m. to 2 p.m., one eastbound lane closed from 22nd to 6th St.
• I-64, St. Louis City, 9 a.m. to 3 p.m., one westbound lane closed from Broadway to 22nd
• I-70, St. Louis County, 7 p.m. to 5 a.m., one lane closed westbound from Hanley to McDonnell. One lane and ramp under the eastbound I-70 overpass closed.
• I-70, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound from McDonnell to Hanley. One lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 8:30 p.m. to 6 a.m., one northbound and southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the eastbound and westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 6 a.m., one lane closed northbound from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed on Pershall under I-270 from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 9 a.m. to 3 p.m., one lane closed at the Meramec River.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one lane closed northbound from Mehlville Court to Buckley.
• Route D, St. Louis County, 6 p.m. to 6 a.m., one eastbound and westbound lane closed between I-170 and Pennsylvania.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed under the Route K bridge.
• I-64, St. Charles County, 8:30 p.m. to 6 a.m., one westbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one lane closed eastbound from Lake St. Louis Boulevard to Route 364.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Lake St. Louis Boulevard to Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed between Wentzville Parkway to Route Z.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one lane closed eastbound and westbound from Route Z to Route A.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed under the Route W bridge in Foristell.
• Route 79, St. Charles Count, 9 a.m. to 3 p.m., two of three lanes closed at Hostetter Circle. Flaggers will direct traffic through the work zone.
• Route Z, St. Charles County, 7:30 a.m. to 3:30 p.m., one lane closed from Route D to Route N. Flaggers will direct traffic through the work zone.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed between Independence Drive to Route BB.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Gasconade/Franklin County line to Route C.
• Route 100, Franklin County, 8 p.m. to 5 a.m., one lane closed near I-44 exit. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 6 a.m. to 4 p.m., one lane closed between Beauty Dr. and Purina Farms.
• Route MM, Franklin County, 5 p.m. to 5 a.m., one eastbound/westbound lane closed from Route 30 to Route M. Flaggers will direct traffic through the work zone.

Tuesday, August 5

• I-64, St. Louis City, 6 a.m. to 2 p.m., one eastbound lane closed from 22nd to 6th St.
• I-64, St. Louis City, 9 a.m. to 3 p.m., one westbound lane closed from Broadway to 22nd
• I-70, St. Louis County, 7 p.m. to 5 a.m., one lane closed westbound from Hanley to McDonnell. One lane and ramp under the eastbound I-70 overpass closed.
• I-70, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound from McDonnell to Hanley. One lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 8:30 p.m. to 6 a.m., one northbound and southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the eastbound and westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 6 a.m., one lane closed northbound from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed on Pershall under I-270 from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 9 a.m. to 3 p.m., one lane closed at the Meramec River.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one lane closed northbound from Mehlville Court to Buckley.
• Route D, St. Louis County, 6 p.m. to 6 a.m., one eastbound and westbound lane closed between I-170 and Pennsylvania.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed under the Route K bridge.
• I-64, St. Charles County, 8:30 p.m. to 6 a.m., one westbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one lane closed eastbound from Lake St. Louis Boulevard to Route 364.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Lake St. Louis Boulevard to Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed between Wentzville Parkway to Route Z.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one lane closed eastbound and westbound from Route Z to Route A.
• I-70, St. Charles County, 8 p.m. to 6 a.m., westbound lane closed under the Route W bridge in Foristell.
• Route 79, St. Charles Count, 9 a.m. to 3 p.m., two of three lanes closed at Hostetter Circle. Flaggers will direct traffic through the work zone.
• Route Z, St. Charles County, 10 p.m. to 5 a.m., all lanes closed on Route Z under I-70.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed between Independence Drive to Route BB.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Gasconade/Franklin County line to Route C.
• Route 100, Franklin County, 8 p.m. to 5 a.m., one lane closed near I-44 exit. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 6 a.m. to 4 p.m., one lane closed between Beauty Dr. and Purina Farms.
• Route MM, Franklin County, 5 p.m. to 5 a.m., one eastbound/westbound lane closed from Route 30 to Route M. Flaggers will direct traffic through the work zone.

Wednesday, August 6

• I-64, St. Louis City, 6 a.m. to 2 p.m., one eastbound lane closed from 22nd to 6th St.
• I-64, St. Louis City, 9 a.m. to 3 p.m., one westbound lane closed from Broadway to 22nd
• I-70, St. Louis County, 7 p.m. to 5 a.m., one lane closed westbound from Hanley to McDonnell. One lane and ramp under the eastbound I-70 overpass closed.
• I-70, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound from McDonnell to Hanley. One lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 8:30 p.m. to 6 a.m., one northbound and southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the eastbound and westbound I-70 overpass closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed on Pershall under I-270 from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 9 a.m. to 3 p.m., one southbound lane closed at the Meramec River.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one lane closed northbound from Mehlville Court to Buckley.
• Route D, St. Louis County, 6 p.m. to 6 a.m., one eastbound and westbound lane closed between I-170 and Pennsylvania.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed under the Route K bridge.
• I-64, St. Charles County, 8:30 p.m. to 6 a.m., one westbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed between the I-70/I-64 interchange and Prospect Road.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one eastbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Route 364 to Route K.
• I-64, St. Charles County, 7:30 p.m. to 5:30 a.m., one lane closed eastbound from Lake St. Louis Boulevard to Route 364.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from Lake St. Louis Boulevard to Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed between Wentzville Parkway to Route Z.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one lane closed eastbound and westbound from Route Z to Route A.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed under the Route W bridge in Foristell.
• Route Z, St. Charles County, 10 p.m. to 5 a.m., all lanes closed on Route Z under I-70.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed between Independence Drive to Route BB.
• Route 50, Franklin County, 6 p.m. to 5 a.m. and 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Gasconade/Franklin County line to Route C.
• Route O, Franklin County, 9 a.m. to 3 p.m., one lane closed at Pin Oak Ct. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 6 a.m. to 4 p.m., one lane closed between Beauty Dr. and Purina Farms.
• Route MM, Franklin County, 5 p.m. to 5 a.m., one eastbound/westbound lane closed from Route 30 to Route M. Flaggers will direct traffic through the work zone.

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