St. Louis Work Zones May 16-22

Motorists who travel Route 141 in west St. Louis County will need to consider an alternate route on Sunday, May 19.  Route 141 will be closed between Route 364 and Marine Ave. from 5 a.m. to 12 p.m., due to the Lou Fusz Subaru St. Louis Triathlon.

Additionally, one northbound and one southbound lane of Route 141, between St. Luke’s Hospital Rd. and Route 364, will be closed during the same time.

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 northbound lane closed from Lindbergh to north of Bayless.
• I-55, St. Louis City, two northbound lanes closed from north of Bayless to Virginia.
• I-55, St. Louis City, one northbound lane from Gasconade Avenue to Potomac Street closed.
• I-55, St. Louis City, the ramp from northbound to Loughborough will be closed through 2024 and the Loughborough on-ramp to northbound I-55 closed.
• 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 through 2024.
• I-55, St. Louis City, one northbound lane closed from I-44 to north of Bates.
• 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 Barricks.
• 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.
• I-55, St. Louis City, two southbound lanes closed between Gasconade and 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, starting at 9a.m, Monday, May 13 thru Tuesday, May 21 at 5 p.m., one northbound lane will close between Arsenal and the Sidney Street overpass. At the same time, the ramp from Arsenal to northbound I-55 will close.
• I-70, St. Louis County, the ramp from Lambert International Boulevard to eastbound I-70 will be 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.
• Route 67, St. Louis County northbound lanes at Route 180 closed. Traffic has been switched to southbound side of Route 67, with one lane in each direction.
• Route 100, St. Louis County, starting at 4 a.m. Monday, May 13 thru 4 a.m. Thursday, May 17, various lanes at the intersection of Manchester and Lindeman will be closed.
• Route AB, St. Louis County, one eastbound and westbound laned closed under I-270 through 2025.

• Route N, St. Louis County, one lane closed from Robert Avenue to Frost Avenue.
• I-70, St. Charles County, one westbound lane closed at Spencer Creek through May 2024.
• I-70, St. Charles County, one westbound lane closed at Belleau Creek through May 2024.
• 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.

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

Thursday, May 16

• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes westbound closed between Route 180 and Springdale.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed over Route 141.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Lawrence Drive to Chaminade Drive.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed between Conway Road and Ladue Road.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed at Route 109 Intersections from Old Manchester Road to Route W.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Tempo Drive to Country Manor Road.
• Route 364, St. Louis County, 5 a.m. to 2 p.m., up to two westbound lanes closed from Bennington to Route 141.
• I-70, St. Charles County, 9 p.m. to 5 a.m., one eastbound lane closed at Belleau Creek.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• Route 141, Jefferson County, 6 a.m. to 6 p.m., one lane closed at Fiedler Lane. Flaggers will direct traffic thru work zone.
• I-44, Franklin County, 7 a.m. to 5 p.m., one lane closed on the north outer road between Route 30 and Route JJ.
• I-44, Franklin County, 8 a.m. to 3 p.m., one lane closed on the north outer road from Turtle Ridge to Miller Road.
• I-44, Franklin County, 7 p.m. to 5 a.m., one eastbound lane closed between Route 30 to Route 47.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Washington Crossing to South Point Road.
• Route YY, Franklin County, 6 a.m. to 6 p.m., one eastbound and westbound lane closed from Route 185 to Route C and from Route C to Route Y.

Friday, May 17

• I-55, St. Louis City, 9 a.m. to 4 p.m., one lane closed from South Lindbergh to Reavis Barracks.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes westbound closed between Route 180 and Springdale.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Lawrence Drive to Chaminade Drive.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed between Conway Road and Ladue Road.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed at Route 109 Intersections from Old Manchester Road to Route W.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Tempo Drive to Country Manor Road.
• Route 364, St. Louis County, 5 a.m. to 2 p.m., up to two westbound lanes closed from Bennington to Route 141.
• I-70, St. Charles County, 9 p.m. to 6 a.m., one eastbound lane closed at Belleau Creek.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to two westbound lanes closed at Fifth Street.
• I-70, St. Charles County, 9 p.m. until 5 a.m. Sunday, May 20, up to two westbound lanes closed below Bryan Road Bridge.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• Route 141, Jefferson County, 6 a.m. to 6 p.m., one lane closed at Fiedler Lane. Flaggers will direct traffic thru work zone.
• I-44, Franklin County, 7 a.m. to 5 p.m., one lane closed on the north outer road between Route 30 and Route JJ.
• I-44, Franklin County, 8 a.m. to 3 p.m., one lane closed on the north outer road from Turtle Ridge to Miller Road.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Washington Crossing to South Point Road.
• Route YY, Franklin County, 6 a.m. to 6 p.m., one eastbound and westbound lane closed from Route 185 to Route C and from Route C to Route Y.

Saturday, May 18

• I-270, St. Louis County, 7 a.m. to 3 p.m., two lanes closed from Washington to Route 367.
• I-70, St. Charles County, 9 p.m. until 5 a.m. Sunday, May 20, up to two westbound lanes closed below Bryan Road Bridge.
• I-70, St. Charles County, 9 p.m. to 6 a.m., one eastbound lane closed at Spencer Creek.

Sunday, May 19

• I-270, St. Louis County, 7 p.m. to 4 a.m., three lanes closed eastbound and westbound at Rott Road.
• Route 141, St. Louis County, 5 a.m. to noon, one northbound and southbound lane closed between St. Luke’s Hospital Road and Route 364.
• Route 141, St. Louis County, road closed between Route 364 and Marine Avenue.
• Route 364, St. Louis County, 5 a.m. to noon, westbound exit ramp to Route 141 closed for Triathlon.
• Route 364, St. Louis County, 5 a.m. to noon, eastbound exit ramp to northbound Route 141 closed for Triathlon.
• I-70, St. Charles County, 9 p.m. until 5 a.m. Sunday, May 20, up to two westbound lanes closed below Bryan Road Bridge.

Monday, May 20

• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes eastbound between Route 180 and Springdale.
• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes westbound closed between Route 180 and Springdale.
• I-270, St. Louis County, 7 a.m. to 3 p.m., two lanes closed from Washington to Route 367.
• I-270, St. Louis County, 7 p.m. to 4 a.m., three lanes closed eastbound and westbound at Rott Road.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Lawrence Drive to Chaminade Drive.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed between Conway Road and Ladue Road.
• Route 100, St. Louis County, closed 24 hours until Thursday, May 23, one eastbound and westbound lane closed east of Lindemann to just west of Lindemann (Intersection).
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Tempo Drive to Country Manor Road.
• Route 364, St. Louis County, 5 a.m. to 2 p.m., up to two westbound lanes closed from Bennington to Route 141.
• Route 367, St. Louis County, 8 a.m. to 3 p.m., one northbound lane closed at I-270.
• I-70, St. Charles County, 9 p.m. to 5 a.m., one eastbound lane closed at Belleau Creek.
• I-70, St. Charles County, 9 p.m. until 5 a.m. Monday, May 20, one westbound lane closed below Bryan Road Bridge.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• Route 141, Jefferson County, 6 a.m. to 6 p.m., one lane closed at Fiedler Lane. Flaggers will direct traffic thru work zone.
• I-44, Franklin County, 8 a.m. to 3 p.m., one lane closed on the north outer road from Turtle Ridge to Miller Road.
• Route 21, Franklin County, 9 a.m. to 3 p.m., northbound on-ramp to Route 21 (Meramec Hts. Exit) closed.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Washington Crossing to South Point Road.
• Route YY, Franklin County, 6 a.m. to 6 p.m., one eastbound and westbound lane closed from Route 185 to Route C and from Route C to Route Y.

Tuesday, May 21

• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 7 a.m. to 3 p.m., two lanes closed from Washington to Route 367.
• I-270, St. Louis County, 7 p.m. to 4 a.m., three lanes closed eastbound and westbound at Rott Road.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Lawrence Drive to Chaminade Drive.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed between Conway Road and Ladue Road.
• Route 100, St. Louis County, closed 24 hours until Thursday, May 23, one eastbound and westbound lane closed east of Lindemann to just west of Lindemann (Intersection).
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Tempo Drive to Country Manor Road.
• Route 364, St. Louis County, 5 a.m. to 2 p.m., up to two westbound lanes closed from Bennington to Route 141.
• Route 367, St. Louis County, 8 a.m. to 3 p.m., one northbound lane closed at I-270.
• I-70, St. Charles County, 9 p.m. to 5 a.m., one eastbound lane closed at Belleau Creek.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• Route 67, Jefferson County, 7 a.m. to 4 p.m., one northbound lane closed at I-55.
• Route 141, Jefferson County, 6 a.m. to 6 p.m., one lane closed at Fiedler Lane. Flaggers will direct traffic thru work zone.
• I-44, Franklin County, 8 a.m. to 3 p.m., one lane closed on the north outer road from Turtle Ridge to Miller Road.
• Route 21, Franklin County, 9 a.m. to 3 p.m., northbound on-ramp to Route 21 (Meramec Hts. Exit) closed.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Washington Crossing to South Point Road.
• Route YY, Franklin County, 6 a.m. to 6 p.m., one eastbound and westbound lane closed from Route 185 to Route C and from Route C to Route Y.

Wednesday, May 22

• I-70, St. Louis County, 8 p.m. to 5 a.m., up to two lanes eastbound between Route 180 and Springdale.
• I-270, St. Louis County, 7 p.m. to 4 a.m., three lanes closed eastbound and westbound at Rott Road.
• I-270, St. Louis County, 7 a.m. to 3 p.m., two lanes closed from Route 367 to Washington Avenue.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Lawrence Drive to Chaminade Drive.
• Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one northbound lane closed between Conway Road and Ladue Road.
• Route 100, St. Louis County, closed 24 hours until Thursday, May 23, one eastbound and westbound lane closed east of Lindemann to just west of Lindemann (Intersection).
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed from Mason Road/Whispering Pines to Tempo Drive.
• Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Tempo Drive to Country Manor Road.
• Route 364, St. Louis County, 5 a.m. to 2 p.m., up to two westbound lanes closed from Bennington to Route 141.
• Route 367, St. Louis County, 8 a.m. to 3 p.m., one northbound lane closed at I-270.
• I-70, St. Charles County, 7 a.m. to 3 p.m., one westbound lane closed at Fairgrounds.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between Manley Quarry Bridge to Herky Horine Road.
• Route 67, Jefferson County, 7 a.m. to 4 p.m., one northbound lane closed at I-55.
• Route 141, Jefferson County, 6 a.m. to 6 p.m., one lane closed at Fiedler Lane. Flaggers will direct traffic thru work zone.
• I-44, Franklin County, 8 a.m. to 3 p.m., one lane closed on the north outer road from Turtle Ridge to Miller Road.
• Route 21, Franklin County, 9 a.m. to 3 p.m., northbound on-ramp to Route 21 (Meramec Hts. Exit) closed.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound and westbound lane closed from Washington Crossing to South Point Road.
• Route YY, Franklin County, 6 a.m. to 6 p.m., one eastbound and westbound lane closed from Route 185 to Route C and from Route C to Route Y.

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