St. Louis Work Zones June 20-June 26

ST. LOUIS – Drivers who use eastbound Interstate 270 near Route 367 should be aware of possible delays over the next week.

Crews will close three lanes on eastbound I-270 at the Pershall Road bridge just west of Route 367 Friday, June 21, and Monday, June 24 through Wednesday, June 26. The lanes will be closed weekdays between 6 a.m. and 2 p.m. so crews can make repairs to a girder on the Pershall Road bridge that was struck by a dump truck last year. Drivers will be able to exit to Route 367 after passing under the Pershall Road bridge.

Drivers should expect congestion and slower traffic through the work zone.

In addition, People who plan to travel on southbound Interstate 270 near Interstate 64 over this weekend can expect significant delays and may want to consider alternate routes.

All work is weather permitting. During the closure, crews will be placing a concrete overlay on portions of southbound I-270 over the ramps to I-64.

Crews will close two right lanes on southbound I-270 between Ladue Road and I-64, starting Friday, June 21 at 8 p.m. They will close a third lane and the ramp from Ladue to Southbound I-270 overnight Saturday, June 22 between 10 p.m. and 7 a.m.  The ramp from southbound I-270 to Interstate 64 will remain open through this work.  All lanes are set to reopen Monday, June 24 by 5 a.m.

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-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 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 permanently.
• 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-55, St. Louis City, the ramp from Lafayette to southbound I-55 is closed through 2024.
• I-55, St. Louis City, Green Park Rd. under I-55 will be closed through June.
• I-55, St. Louis County, one southbound lane and the SB ramp to I-270/I-255.
• I-70, St. Louis County, the ramp from Lambert International Boulevard to eastbound I-70 is closed through August 2024.
• 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 lane closed from Robert Avenue to Frost Avenue through 2024.
• Route N, St. Louis County, one southbound lane closed from Jean Dr. to Williams Blvd. through June 2024.
• I-70, St. Charles County, up to two westbound lane closed at Spencer Creek through June 2024.
• I-70, St. Charles County, one eastbound lane closed at Spencer Creek through June 2024.
• I-70, St. Charles County, one westbound lane closed at Belleau Creek through June 2024.
• I-70, St. Charles County, one lane closed on the ramp from T.R. Hughes to eastbound through late September 2024.
• I-55, Jefferson County, closed at the intersection of Route 67.
• I-55, Jefferson County, closed from Route 67 to Herky Horine Rd.
• Route 21, Jefferson County, one lane closed southbound from Meramec Heights to Shady Valley through mid-2024.
• Route 21, Jefferson County, one northbound lane closed from Schenk Road to Route 141 through mid-2024.
• Route 67, Jefferson County, closed southbound at I-55.
• Route Y, Franklin County, Cedar Creek bridge is closed until November 2024. 

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

Thursday, June 20

• I-44, St. Louis County, 8 p.m. to 6 a.m., two eastbound lanes closed from Allenton Road to Route 109.
• I-55, St. Louis County, 6 a.m. to 2 p.m., one lane closed on the ramp from southbound to South Lindbergh.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes closed eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 9 p.m. to 5 a.m., one lane closed eastbound at Lilac.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Chaminade to Quailways.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to Quailways.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed in either direction at Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to Couer De Ville.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., westbound right turn lane closed from Woodcrest Executive to Ross Road.
• Route 364, St. Louis County, 8:30 p.m. to 7 a.m., three westbound lanes closed between Bennington and Route 141.
• Route N, St. Louis County, 8 a.m. to 3 p.m., one lane closed northbound from Traille De Noyer Drive to Jean Drive.
• I-44, Franklin County, 7 p.m. to 7 p.m., one eastbound lane between Route 50 and Route O.
• Route E, Franklin County, 9 a.m. to 3 p.m., one lane closed over Pin Oak Creek. 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. 

Friday, June 21

• I-44, St. Louis County, 8 p.m. to 6 a.m., two eastbound lanes closed from Allenton Road to Route 109.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes closed eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 9 p.m. to 5 a.m., one lane closed eastbound at Lilac.
• I-270, St. Louis County, 6 a.m. to 2 p.m., three lanes closed eastbound before Route 367. The ramp to Route 367 will remain open, drivers can access it after passing through the work zone.
• I-270, St. Louis County, 8 p.m. until 5 a.m. Monday, up to three lanes closed southbound between Ladue and I-64.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Chaminade to Quailways.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to Quailways.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed in either direction at Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to Couer De Ville.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., westbound right turn lane closed from Woodcrest Executive to Ross Road.
• Route 364, St. Louis County, 10 p.m. to 7 a.m., three westbound lanes closed between Bennington and Route 141. The ramp from westbound to Route 141 will also be closed.
• Route N, St. Louis County, 8 a.m. to 3 p.m., one lane closed northbound from Traille De Noyer Drive to Jean Drive.
• I-44, Franklin County, 7 p.m. to 7 p.m., one eastbound lane between Route 50 and Route O.
• Route MM, Franklin County, 7 a.m. to 3 p.m., one lane closed between Route T and Route 100.

 Saturday, June 22

• I-44, St. Louis County, 8 p.m. to 6 a.m., two eastbound lanes closed from Allenton Road to Route 109.
• I-270, St. Louis County, until 5 a.m. Monday, up to three lanes closed southbound between Ladue and I-64. 

Sunday, June 23

• I-270, St. Louis County, until 5 a.m. Monday, up to three lanes closed southbound between Ladue and I-64. 

Monday, June 24

• I-44, St. Louis County, 8 p.m. to 6 a.m., two eastbound lanes closed from Allenton Road to Route 109.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes closed eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 9 p.m. to 5 a.m., one lane closed westbound at Lilac.
• I-270, St. Louis County, 6 a.m. to 2 p.m., three lanes closed eastbound before Route 367. The ramp to Route 367 will remain open, drivers can access it after passing through the work zone.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Chaminade to Quailways.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to Quailways.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed in either direction at Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to Couer De Ville.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., westbound right turn lane closed from Woodcrest Executive to Ross Road.
• Route 364, St. Louis County, 10 p.m. to 7 a.m., three westbound lanes closed between Bennington and Route 141. The ramp from Route 141 to westbound will also be closed.
• Route N, St. Louis County, 8 a.m. to 3 p.m., one lane closed northbound from Traille De Noyer Drive to Jean Drive.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to two lanes closed eastbound and westbound at Route 79.
• I-44, Franklin County, 7 p.m. to 7 p.m., one eastbound lane between Route 50 and Route O.
• Route E/YY, Franklin County, 7 a.m. to 3 p.m., one lane closed from Kaiser Hill Road to Route 100.
• Route E, Franklin County, 9 a.m. to 3 p.m., one lane closed over Pin Oak Creek. 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.
• I-55, Jefferson County, 9 a.m. to 6 p.m., up to two lanes closed northbound and southbound over the Meramec River. 

Tuesday, June 25

• I-44, St. Louis County, 8 p.m. to 6 a.m., two eastbound lanes closed from Allenton Road to Route 109.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes closed eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 9 p.m. to 5 a.m., one lane closed westbound at Lilac.
• I-270, St. Louis County, 6 a.m. to 2 p.m., three lanes closed eastbound before Route 367. The ramp to Route 367 will remain open, drivers can access it after passing through the work zone.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Chaminade to Quailways.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to Quailways.
• Route 67, St. Louis County, 9 a.m. to 2 p.m., one lane closed northbound or southbound at the Lindbergh Tunnel.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed in either direction at Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to Couer De Ville.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., westbound right turn lane closed from Woodcrest Executive to Ross Road.
• Route N, St. Louis County, 8 a.m. to 3 p.m., one lane closed northbound from Traille De Noyer Drive to Jean Drive.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to two lanes closed eastbound and westbound at Route 79.
• I-44, Franklin County, 7 p.m. to 7 p.m., one eastbound lane between Route 50 and Route O.
• Route E/YY, Franklin County, 7 a.m. to 3 p.m., one lane closed from Kaiser Hill Road to Route 100.
• Route E, Franklin County, 9 a.m. to 3 p.m., one lane closed over Pin Oak Creek. 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.
• I-55, Jefferson County, 9 a.m. to 6 p.m., up to two lanes closed northbound and southbound over the Meramec River. 

Wednesday, June 26

• I-44, St. Louis County, 8 p.m. to 6 a.m., two eastbound lanes closed from Allenton Road to Route 109.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes closed eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 9 p.m. to 5 a.m., one lane closed westbound at Lilac.
• I-270, St. Louis County, 6 a.m. to 2 p.m., three lanes closed eastbound before Route 367. The ramp to Route 367 will remain open, drivers can access it after passing through the work zone.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed from Chaminade to Quailways.
• Route 61/67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Chaminade to Quailways.
• Route 67, St. Louis County, 9 a.m. to 2 p.m., one lane closed northbound or southbound at the Lindbergh Tunnel.
• Route 180, St. Louis County, 5 a.m. to 10 a.m., one lane closed in either direction at Route 67.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., one eastbound lane closed from Tempo Drive to Couer De Ville.
• Route 340, St. Louis County, 6 a.m. to 2 p.m., westbound right turn lane closed from Woodcrest Executive to Ross Road.
• Route N, St. Louis County, 8 a.m. to 3 p.m., one lane closed northbound from Traille De Noyer Drive to Jean Drive.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to two lanes closed eastbound and westbound at Route 79.
• I-44, Franklin County, 7 p.m. to 7 p.m., one eastbound lane between Route 50 and Route O.
• Route 100, Franklin County, 9 a.m. to 3 p.m., one lane closed over I-44. Flaggers will direct traffic through the work zone.
• Route E/YY, Franklin County, 7 a.m. to 3 p.m., one lane closed from Kaiser Hill Road to Route 100.
• Route E, Franklin County, 9 a.m. to 3 p.m., one lane closed over Pin Oak Creek. 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.
• I-55, Jefferson County, 9 a.m. to 6 p.m., up to two lanes closed northbound and southbound over the Meramec River.

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