St. Louis Work Zones July 25-31

ST. LOUIS - Motorists traveling on eastbound and westbound I-270 between Lilac and Bellefontaine in North St. Louis County can expect delays overnight Thursday, July 25 as crews remove and install a new sign truss. Up to two lanes in both directions will be closed starting at 7 p.m. with short-term (up to 15-minute) full closures planned in each direction between 9 p.m. and midnight. All lanes are expected to reopen by 4 a.m. Friday, July 26. All work is weather permitting.

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-44, St. Louis City, the southbound 7th Street on-ramp to westbound I-44 closed through mid-July.
• I-44, St. Louis City, westbound exit to 12th/Gravois closed through the end of July 2024.
• I-55, St. Louis City, one northbound lane closed from Lindbergh to north of Bayless through the end of 2024.
• I-55, St. Louis City, two northbound lanes closed from north of Bayless to Virginia through the end of 2024.
• I-55, St. Louis City, the ramp from northbound to Loughborough and the Loughborough on-ramp to northbound I-55 closed will be closed through 2024.
• I-55, St. Louis City, the ramp from Lafayette/Truman to southbound I-55 is closed through 2024.
• I-55, St. Louis City, the ramp from Germania to northbound will be closed through 2024.
• I-55, St. Louis City, one northbound lane closed between Lindbergh and Reavis Barracks Road through 2024.
• I-55, St. Louis City, two northbound lanes closed between Reavis Barracks Rd. and Virginia through 2024.
• I-55, St. Louis City, the Cherokee entrance ramp to southbound I-55 closed.
• I-55, St. Louis City, one northbound lane closed from I-44 to north of Bates through 2024.
• I-55, St. Louis City, two southbound lanes closed from north of Bates to north of Weber and one southbound lane closed north of Weber to Reavis Barracks through 2024.
• I-55, St. Louis City, one southbound lane closed between I-44 and Gasconade through 2025.
• I-55, St. Louis City, two southbound lanes closed from Reavis Barracks to north of South Lindbergh through 2024.
• I-70, St. Louis County, the ramp from Lambert International Boulevard to eastbound I-70 is closed through Friday, July 26.
• I-270, St. Louis County, Riverview Dr. entrance ramp to eastbound I-270 closed and eastbound I-270 exit ramp to Riverview closed through July 2024.
• I-270, St. Louis County, southbound Riverview Dr. under I-270 closed through 2024.
• I-270, St. Louis County, various northbound and southbound lanes closed between I-64 and Olive through late 2025.
• Route 67, St. Louis County, northbound lanes at Route 180 closed through December 2024. Traffic has been switched to southbound side of Route 67, with one lane in each direction.
• Route AB, St. Louis County, one eastbound and westbound lane closed under I-270 through 2025.
• Route N, St. Louis County, one southbound lane closed from Thoroughman Avenue to Frost Avenue through 2024.
• Route N, St. Louis County, one northbound lane closed from Thoroughman to Robert Avenue.
• Route N, St. Louis County, one southbound lane closed from Jean Dr. to Walnut Grove Elementary.
• Route N, St. Louis County, one northbound lane closed from Wadsworth Dr. to Taille De Noyer Dr.
• I-70, St. Charles County, Bryan Road bridge closed over I-70 until mid-August 2024.
• I-70, St. Charles County, one westbound/eastbound lane closed at Belleau Creek.
• I-70, St. Charles County, lane shifts on eastbound I-70 at Spencer Creek.
• I-70, St. Charles County, one lane closed on the ramp from T.R. Hughes to eastbound through late September 2024.
• I-70, St. Charles County, Fairgrounds/Convention Center Boulevard on ramp to westbound I-70 closed until mid-November. Traffic is diverted to Route 94 to access westbound I-70.
• Route 21, Jefferson County, one lane closed southbound from Meramec Heights to Shady Valley.
• Route 21, Jefferson County, one northbound lane closed from Schenk Road to Route 141.
• Route 21, Jefferson County, old Route 21 (Schenk Road) exit closed over new Route 21.
• Route 67, Jefferson County, one lane closed southbound at I-55 through 2024.
• Route CC, Franklin County, one lane closed over Little Creek.
• Route Y, Franklin County, Cedar Creek bridge is closed until November 2024.

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

Thursday, July 25

• I-44, St. Louis City, 12 a.m. to 2 a.m., eastbound exit ramp to Jefferson closed.
• I-44, St. Louis City, 2 a.m. to 4 a.m., eastbound exit ramp to Lafayette closed.
• I-55, St. Louis City, 9 a.m. to 5 p.m., northbound exit ramp to Bayless closed.
• I-44, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed from Allenton Road to Route 109.
• I-70, St. Louis County, 9 p.m. to 5 p.m., one eastbound and westbound lane closed from Route 180 to Springdale.
• I-270, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed between Route 67 and Route 367.
• I-270, St. Louis County, 8 a.m. to 2 p.m., various eastbound/westbound lanes closed for short durations between Route 67 and Route 367.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Conway to Bayer Drive.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to German.
• Route 61/67, St. Louis County, 8 p.m. to 6 a.m., one northbound/southbound closed at Route 100 (Manchester Road).
• Route 100, St. Louis County, 8 p.m. to 6 a.m., one lane closed westbound/eastbound between Lindbergh Boulevard (Route 61/67) to I-270.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed under Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Barnes to Fernview.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to I-270.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from I-270 to Cross Creek.
• Route 340, St. Louis County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Route 141 to I-270.
• I-70, St. Charles County, 6 a.m. to 3 p.m., one westbound lane closed at the Cave Springs exit ramp.
• I-44, Franklin County, 7 a.m. to 3 p.m., one north outer road lane closed between Route 185 and Route 47. Flaggers will direct traffic through the work zone.
• Route H, Franklin County, 8 a.m. to 4 p.m., one lane closed at the Bourbeuse River bridge. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 7 a.m. to 3 p.m., one lane closed between Route T and Route 100.
• Route VV, Franklin County, 8 a.m. to 4 p.m., one lane closed at Berger Creek. Flaggers will direct traffic through the work zone.
• Route Y, Jefferson County, 6 a.m. to 9 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Route A to Route 110.

Friday, July 26

• I-55, St. Louis City, 9 a.m. to 5 p.m., one northbound lane closed between Bates to Delor.
• I-44, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed from Allenton Road to Route 109.
• I-70, St. Louis County, 9 p.m. to 5 p.m., one eastbound and westbound lane closed from Route 180 to Springdale.
• I-270, St. Louis County, starting at 8 p.m., two southbound lanes closed under I-64 until Monday, July 22 at 5 a.m.
• I-270, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed between Route 67 and Route 367.
• I-270, St. Louis County, 6 a.m. to 2 p.m., three eastbound lanes closed at Route 367.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Conway to Bayer Drive.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to German.
• Route 61/67, St. Louis County, 8 p.m. to 6 a.m., one northbound/southbound closed at Route 100 (Manchester Road).
• Route 100, St. Louis County, 8 p.m. to 6 a.m., one lane closed westbound/eastbound between Lindbergh Boulevard (Route 61/67) to I-270.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed under Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Barnes to Fernview.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to I-270.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from I-270 to Cross Creek.
• Route 340, St. Louis County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Route 141 to I-270.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed at Cave Springs.
• I-44, Franklin County, 7 a.m. to 3 p.m., one north outer road lane closed between Route 185 and Route 47. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 7 a.m. to 3 p.m., one lane closed between Route T and Route 100.
• Route Y, Jefferson County, 6 a.m. to 9 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Route A to Route 110.

Saturday, July 27

• I-270, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed between Route 67 and Route 367.
• I-270, St. Louis County, two southbound lanes closed under I-64 until Monday, July 22 at 5 a.m.

Sunday, July 28

• No scheduled closures.

Monday, July 29

• I-55, St. Louis City, 9 a.m. to 5 p.m., Bates on ramp to northbound I-55 closed.
• I-44, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed from Allenton Road to Route 109.
• I-44, St. Louis County, 9 a.m. to 3 p.m., one eastbound/westbound lane closed at the Meramec River Bridge near Fenton.
• I-70, St. Louis County, 9 p.m. to 5 a.m., one eastbound/westbound lane closed between Route 180 (St. Charles Rock Road) and Springdale.
• I-270, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed between Route 67 and Route 367.
• I-270, St. Louis County, 7 a.m. to 3 p.m., up to two westbound lanes closed at North Florissant.
• I-270, St. Louis County, 9 a.m. to 2 p.m., westbound on ramp from Washington/Elizabeth closed.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Conway to Bayer Drive.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to German.
• Route 61/67, St. Louis County, 8 p.m. to 6 a.m., one northbound/southbound closed at Route 100 (Manchester Road).
• Route 100, St. Louis County, 8 p.m. to 6 a.m., one lane closed westbound/eastbound between Lindbergh Boulevard (Route 61/67) to I-270.
• Route 141, St. Louis County, 9 a.m. to 3 p.m., one northbound/southbound lane closed at the Meramec River Bridge.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed under Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Barnes to Fernview.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to I-270.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from I-270 to Cross Creek.
• Route 340, St. Louis County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Route 141 to I-270.
• Route DD, St. Charles County, 7 p.m. to 5 a.m., up to two lanes closed on the bridge over I-64.
• I-44, Franklin County, 7 a.m. to 3 p.m., one north outer road lane closed between Route 185 and Route 47. Flaggers will direct traffic through the work zone.
• Route 185, Franklin County, 7 a.m. to 3 p.m., one southbound lane from Highway WW to Route 185.
• Route H, Franklin County, 8 a.m. to 4 p.m., one lane closed at the Bourbeuse River bridge. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 7 a.m. to 3 p.m., one lane closed between Route T and Route 100.
• Route VV, Franklin County, 8 a.m. to 4 p.m., one lane closed at Berger Creek. Flaggers will direct traffic through the work zone.
• Route Y, Jefferson County, 6 a.m. to 9 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Route A to Route 110.

Tuesday, July 30

• I-55, St. Louis City, 9 a.m. to 5 p.m., northbound exit ramp to 4500 Broadway closed.
• I-70, St. Louis County, 9 p.m. to 5 a.m., one eastbound/westbound lane closed between Route 180 (St. Charles Rock Road) and Springdale.
• I-44, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed from Allenton Road to Route 109.
• I-44, St. Louis County, 9 a.m. to 3 p.m., one eastbound/westbound lane closed at the Meramec River Bridge near Fenton.
• I-270, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed between Route 67 and Route 367.
• I-270, St. Louis County, 7 a.m. to 3 p.m., up to two westbound lanes closed at North Florissant.
• I-270, St. Louis County, 9 a.m. to 2 p.m., westbound on ramp from Washington/Elizabeth closed.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Conway to Bayer Drive.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to German.
• Route 61/67, St. Louis County, 8 p.m. to 6 a.m., one northbound/southbound closed at Route 100 (Manchester Road).
• Route 100, St. Louis County, 8 p.m. to 6 a.m., one lane closed westbound/eastbound between Lindbergh Boulevard (Route 61/67) to I-270.
• Route 141, St. Louis County, 9 a.m. to 3 p.m., one northbound/southbound lane closed at the Meramec River Bridge.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed under Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Barnes to Fernview.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to I-270.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from I-270 to Cross Creek.
• Route 340, St. Louis County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Route 141 to I-270.
• Route DD, St. Charles County, 7 p.m. to 5 a.m., up to two lanes closed on the bridge over I-64.
• I-44, Franklin County, 7 a.m. to 3 p.m., one north outer road lane closed between Route 185 and Route 47. Flaggers will direct traffic through the work zone.
• Route 185, Franklin County, 7 a.m. to 3 p.m., one southbound lane from Highway WW to Route 185.
• Route H, Franklin County, 8 a.m. to 4 p.m., one lane closed at the Bourbeuse River bridge. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 7 a.m. to 3 p.m., one lane closed between Route T and Route 100.
• Route VV, Franklin County, 8 a.m. to 4 p.m., one lane closed at Berger Creek. Flaggers will direct traffic through the work zone.
• Route Y, Jefferson County, 6 a.m. to 9 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Route A to Route 110.

Wednesday, July 31

• I-55, St. Louis City, 9 a.m. to 5 p.m., northbound on ramp from 4500 Broadway closed.
• I-44, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed from Allenton Road to Route 109.
• I-44, St. Louis County, 9 a.m. to 3 p.m., one eastbound/westbound lane closed at the Meramec River Bridge near Fenton.
• I-70, St. Louis County, 9 p.m. to 5 a.m., one eastbound/westbound lane closed between Route 180 (St. Charles Rock Road) and Springdale.
• I-270, St. Louis County, 8 p.m. to 6 a.m., up to two eastbound/westbound lanes closed between Route 67 and Route 367.
• Route 67, St. Louis County, 8 p.m. to 5 a.m., various northbound/southbound lanes closed at Manchester Road.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Conway to Bayer Drive.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to German.
• Route 61/67, St. Louis County, 8 p.m. to 6 a.m., one northbound/southbound closed at Route 100 (Manchester Road).
• Route 100, St. Louis County, 8 p.m. to 6 a.m., one lane closed westbound/eastbound between Lindbergh Boulevard (Route 61/67) to I-270.
• Route 141, St. Louis County, 9 a.m. to 3 p.m., one northbound/southbound lane closed at the Meramec River Bridge.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed under Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Barnes to Fernview.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to I-270.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from I-270 to Cross Creek.
• Route 340, St. Louis County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Route 141 to I-270.
• Route DD, St. Charles County, 7 p.m. to 5 a.m., up to two lanes closed on the bridge over I-64.
• I-44, Franklin County, 7 a.m. to 3 p.m., one north outer road lane closed between Route 185 and Route 47. Flaggers will direct traffic through the work zone.
• Route 185, Franklin County, 7 a.m. to 3 p.m., one southbound lane from Highway WW to Route 185.
• Route H, Franklin County, 8 a.m. to 4 p.m., one lane closed at the Bourbeuse River bridge. Flaggers will direct traffic through the work zone.
• Route MM, Franklin County, 7 a.m. to 3 p.m., one lane closed between Route T and Route 100.
• Route VV, Franklin County, 8 a.m. to 4 p.m., one lane closed at Berger Creek. Flaggers will direct traffic through the work zone.
• Route Y, Jefferson County, 6 a.m. to 9 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Route A to Route 110.

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