St. Louis Work Zones August 1-7

ST. LOUIS - Motorists who normally travel northbound Interstate 170 to westbound Interstate 270 should consider an alternate route on Tuesday, August 6. From 9 a.m. to 3 p.m., the I-170 northbound ramp to I-270 westbound will be closed for maintenance.

MoDOT crews will close the Route 67 (Lindbergh) bridge over Route 180 (St. Charles Rock Rd.) on Wednesday, August 7 from 8 p.m. to 5 a.m. The closure will allow traffic to be switched to the newly rebuilt northbound side of the bridge so that crews may work on the southbound side of the bridge.

Motorists who travel along Interstate 44 between Williams Rd. and Route 141 should be aware of significant overnight lane closures Sunday and Monday, August 4 and 5 from 10 p.m. to 4 a.m. Weather permitting, crews will close two eastbound and westbound lanes to conduct geological work for possible future projects in the area.

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, westbound exit to 12th/Gravois closed.
• 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, 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-270, St. Louis County, Riverview Dr. entrance ramp to eastbound I-270 closed and eastbound I-270 exit ramp to Riverview closed.
• 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 through Aug. 2.
• 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 79, St. Charles County, starting at 6 a.m. Monday, Aug. 5, all northbound lanes closed over I-70.
• Route 79, St. Charles County, starting at 6 a.m., Monday, Aug. 5, one southbound lane closed over I-70.
• Route 79, St. Charles County, starting at 6 a.m., Monday, Aug. 5, one lane closed from North Service Rd to Norfolk Railroad bridge; and one southbound lane closed over Norfolk Railroad bridge.
• I-55, Jefferson County, closed at the intersection of I-67 and from I-67 to Herky Horine Rd.
• I-67, Jefferson County, one southbound lane closed at I-55.
• 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, August 1

• I-55, St. Louis City, 9 a.m. to 5 p.m., 4500 Broadway 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-70, St. Louis County, 9 p.m. to 5 p.m., one eastbound and westbound lane closed from Route 180 to Springdale.
• 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 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, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from River Valley to I-270.
• Route 364, St. Charles County, 7 a.m. to 2 p.m., one westbound lane closed at the Route K bridge.
• Route DD, St. Charles County, 7 p.m. to 5 a.m., two northbound lanes closed at 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 E, Franklin County, 6 a.m. to 8 .m. one lane closed from Miller St. to Jefferson County line. Flaggers will direct traffic through the area.
• 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 V, Franklin County, 6 a.m. to 8 p.m., one lane closed from Route JJ to Route E. Flaggers will direct traffic through the work zone.
• Route Y, Jefferson County, 6 a.m. to 8 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 6 a.m. to 4 p.m., one lane closed from Route A to Route 110.

Friday, August 2

• I-55, St. Louis City, 9 a.m. to 5 p.m., 4500 Broadway 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-70, St. Louis County, 9 p.m. to 5 p.m., one eastbound and westbound lane closed from Route 180 to Springdale.
• 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 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, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from River Valley to I-270.
• Route DD, St. Charles County, 7 p.m. to 5 a.m., one northbound lane and one southbound lane closed at 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 E, Franklin County, 6 a.m. to 8 .m. one lane closed from Miller St. to Jefferson County line. Flaggers will direct traffic through the area.
• Route V, Franklin County, 6 a.m. to 8 p.m., one lane closed from Route JJ to Route E. Flaggers will direct traffic through the work zone.
• Route Y, Jefferson County, 6 a.m. to 8 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 6 a.m. to 4 p.m., one lane closed from Route A to Route 110.

Saturday, August 3

• I-70, St. Louis County, 9 p.m. to 5 p.m., one eastbound and westbound lane closed from Route 180 to Springdale.
• I-170, St. Louis County, 7 a.m. to 3 p.m., one southbound lane and the ramp to westbound I-64 closed.

Sunday, August 4

• No scheduled closures.

Monday, August 5

• I-55, St. Louis City, 9 a.m. to 5 p.m., one northbound lane closed from Reavis Barracks to Union.
• Route H (Hall St.), St. Louis City, 9 a.m. to 3 p.m., one northbound and southbound lane closed at Broadway.
• 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, 10 p.m. to 4 a.m., up to two eastbound lanes closed between Williams Rd. and Route 141.
• I-70, St. Louis County, 9 p.m. to 5 a.m., one eastbound and westbound lane closed between Route 180 (St. Charles Rock Road) and Springdale.
• I-170, St. Louis County, 9 a.m. to 3 p.m., one northbound and southbound lane closed at Coldwater Creek.
• 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, 6 p.m. to 6 a.m., one northbound and southbound lane closed from Page to Quailways.
• 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 230, St. Louis County, 9 a.m. to 3 p.m., one lane closed over the Meramec River. Flaggers will direct traffic through the work zone.
• 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 River Valley to I-270.
• I-64, St. Charles County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed near mile marker 7.4.
• 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 E, Franklin County, 6 a.m. to 8 .m. one lane closed from Miller St. to Jefferson County line. Flaggers will direct traffic through the area.
• Route V, Franklin County, 6 a.m. to 8 p.m., one lane closed from Route JJ to Route E. Flaggers will direct traffic through the work zone.
• Route YY, Franklin County 8 a.m. to 4 p.m., one lane closed at St. Johns Creek. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 6 a.m., one northbound and one northbound lane closed from Herky Horine Rd. to BNSF Railroad bridge.
• Route Y, Jefferson County, 6 a.m. to 9 p.m., one lane closed between Route 21 and Route 30.
• Route P, Jefferson County, 6 a.m. to 4 p.m., one lane closed from Route A to Route 110.

Tuesday, August 6

• I-55, St. Louis City, one northbound land closed from Bates to the Delor overpass.
• Route H (Hall St.), St. Louis City, 9 a.m. to 3 p.m., one northbound and southbound lane closed at Broadway.
• 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, 10 p.m. to 4 a.m., up to two eastbound lanes closed between Williams Rd. and Route 141.
• I-170, St. Louis County, 9 a.m. to 3 p.m., one northbound and southbound lane closed at Coldwater Creek.
• 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, 6 p.m. to 6 a.m., one northbound and southbound lane closed from Page to Quailways.
• 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 230, St. Louis County, 9 a.m. to 3 p.m., one lane closed over the Meramec River. Flaggers will direct traffic through the work zone.
• 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 River Valley to I-270.
• I-64, St. Charles County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed near mile marker 7.4.
• 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 AJ, Franklin County, 8 a.m. to 4 p.m., one lane closed over St. Johns Creek. Flaggers will direct traffic through the work zone.
• Route E, Franklin County, 6 a.m. to 8 .m. one lane closed from Miller St. to Jefferson County line. Flaggers will direct traffic through the area.
• Route V, Franklin County, 6 a.m. to 8 p.m., one lane closed from Route JJ to Route E. Flaggers will direct traffic through the work zone.
• Route YY, Franklin County 8 a.m. to 4 p.m., one lane closed at St. Johns Creek. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound and one southbound lane closed from Herky Horine Rd. to BNSF Railroad bridge.
• Route P, Jefferson County, 6 a.m. to 4 p.m., one lane closed from Route A to Route 110.

Wednesday, August 7

• Route H (Hall St.), St. Louis City, 9 a.m. to 3 p.m., one northbound and southbound lane closed at Broadway.
• 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-170, St. Louis County, 9 a.m. to 3 p.m., one northbound and southbound lane closed at Coldwater Creek.
• Route 67, St. Louis County, 8 m. to 5 a.m., northbound and southbound lanes closed at Route 180.
• 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, 6 p.m. to 6 a.m., one northbound and southbound lane closed from Page to Quailways.
• 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 230, St. Louis County, 9 a.m. to 3 p.m., one lane closed over the Meramec River. Flaggers will direct traffic through the work zone.
• 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 River Valley to I-270.
• I-64, St. Charles County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed near mile marker 7.4.
• 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 AJ, Franklin County, 8 a.m. to 4 p.m., one lane closed over St. Johns Creek. Flaggers will direct traffic through the work zone.
• Route E, Franklin County, 6 a.m. to 8 .m. one lane closed from Miller St. to Jefferson County line. Flaggers will direct traffic through the area.
• Route V, Franklin County, 6 a.m. to 8 p.m., one lane closed from Route JJ to Route E. Flaggers will direct traffic through the work zone.
• Route YY, Franklin County 8 a.m. to 4 p.m., one lane closed at St. Johns Creek. Flaggers will direct traffic through the work zone.
• Route P, Jefferson County, 6 a.m. to 4 p.m., one lane closed from Route A to Route 110.

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