ST. LOUIS – Interstate 255 drivers in South St. Louis County will experience narrow and shifted lanes at the Mississippi River bridge (Jefferson Barracks), beginning at 8 p.m. Thursday, April 21, weather permitting. One eastbound and westbound lane will be closed around the clock through fall 2022 for rehabilitation of the bridge. This will keep two lanes open in each direction across the bridge, separated by a concrete barrier wall.
Drivers heading north on Interstate 55 into the city of St. Louis should be aware of increased congestion as crews shift traffic as part of on-going bridge maintenance.
Crews will close an additional northbound lane on I-55 between Virginia and I-44 (for a total of two) and shift the remaining two lanes west to the southbound side of the interstate, starting Friday, April 22, at 5:30 p.m., weather permitting.
The lane shift should be complete by 10 a.m. Saturday.
At the same time, crews will close the ramps to 3200 Broadway (Exit 206B) and Arsenal (Exit 206C) will also be closed. Those ramps, as well as the ramp from Lafayette to southbound I-55 are projected to remain closed through the remainder of the year.
For more on roadway closures due to construction, additional work zone information and real-time roadway weather conditions go to http://traveler.modot.org/map. For real-time traffic, visit www.gatewayguide.com. All work is subject to change and may be shifted due to inclement weather.
Motorists should be aware of the following on-going closures:
- I-64, St. Louis City, one lane eastbound and westbound near Jefferson closed through mid-2022.
- I-64, St. Louis City, one lane westbound at the entrance ramp east of Jefferson to Forest Park Avenue closed through mid-2022.
- I-55, St. Louis City, two lanes southbound closed from Gravois to Virginia until December 2022.
- I-55, St. Louis City, the ramp from Lafayette/Truman ramp to southbound I-55 closed through December 2022.
- I-55, St. Louis City, one lane northbound closed between 4500 Broadway and Gravois until December 2022.
- I-70/44, St. Louis City, express lanes and the ramp from the express lanes to Broadway are closed until September 2022.
- I-70/44, St. Louis City, Biddle on ramp to 70/44 closed until September 2022
- I-70, St. Louis City, southbound Broadway bridge over the interstate is closed until spring 2023.
- I-44, St. Louis County, one lane will be closed eastbound and westbound at Big Bend in Kirkwood until September 2022.
- I-255, St. Louis County, one lane closed westbound from Illinois to Koch Rd until December 2022.
- I-255, St. Louis County, one lane closed eastbound and westbound over Mississippi River bridge until fall 2022.
- I-255, St. Louis County, eastbound Koch Rd. ramp closed until fall 2022.
- I-270, St. Louis County, one lane of Dunn Road between Old Halls Ferry and New Halls Ferry closed.
- I-270, St. Louis County, one lane of Pershall between West Florissant and Washington/Elizabeth will be closed until May 2022. Westbound traffic will no longer be able to use this section of Pershall.
- Route 67, St. Louis County, northbound ramp to westbound I-270 closed till mid-2022.
- Route 67, St. Louis County, the ramp from northbound to eastbound Route 340 is closed through mid-2022.
- Route 340, St. Louis County, ramp from northbound Lindbergh to eastbound and westbound Route 340 closed through mid-2022.
- Route 67, St. Charles County, one northbound lane closed north of the Missouri River through summer 2022.
- Route 94, St. Charles County, the ramp from westbound Route 364 to eastbound Route 94 closed through summer.
- Route 364, St. Charles County, the ramp from westbound to eastbound Route 94 will be closed through summer.
- Route 370, St. Charles County, the ramp from westbound to eastbound I-70 will be closed, until mid-May. A detour will be marked.
- Route 47, Franklin County, northbound and southbound will be reduced to one lane over Interstate 44 through September. In addition the ramp to westbound I-44 will be closed, and the ramps from westbound and eastbound I-44 to Route 47, and the ramp from Route 47 to eastbound I-44 will be closed to left-turning traffic through September.
Please see the list of daily road closures, weather permitting:
Thursday, April 21
- I-70, St. Louis City, 6 a.m. to 6 p.m., one eastbound lane closed on the Stan Musial Veterans Memorial Mississippi River Bridge.
- I-44, St. Louis County, 7 a.m. to 2 p.m., one westbound lane closed at Big Bend.
- I-255, St. Louis County, 6 a.m. to 2 p.m., one lane closed eastbound from Telegraph to Illinois.
- I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed eastbound and westbound from Lindbergh to I-170.
- Route 100, St. Louis County, 6 a.m. to noon, one lane closed westbound from Big Bend to Sappington.
- Route 100, St. Louis County, 7 a.m. to 4 p.m., one lane closed eastbound from Sappington to Big Bend.
- Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-170 to Route 67.
- I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Routes T/W.
- Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge.
- Route 94, St. Charles County, 9 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 364 and I-64.
- Route 79, St. Charles County, 8 a.m. to 3 p.m., one northbound lane closed over the railroad bridge north of East Terra Lane.
- Route BB, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Elm Street to Route 30.
Friday, April 22
- I-64, St. Louis City, 9 a.m. to 2 p.m., one westbound lane closed between Hampton and Skinker.
- I-70, St. Louis City, 6 a.m. to 6 p.m., one eastbound lane closed on the Stan Musial Veterans Memorial Mississippi River Bridge.
- I-44, St. Louis County, 7 a.m. to 2 p.m., one westbound lane closed at Big Bend.
- I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed eastbound and westbound from Lindbergh to I-170.
- Route 100, St. Louis County, 6 a.m. to noon, one lane closed westbound from Big Bend to Sappington.
- Route 100, St. Louis County, 7 a.m. to 4 p.m., one lane closed eastbound from Sappington to Big Bend.
- Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-170 to Route 67.
- I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Routes T/W.
- Route 370, St. Louis County, 8 p.m. to 6 a.m., one westbound lane closed between Cowmire Creek and Missouri Bottom Road.
- Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge.
- Route 94, St. Charles County, 9 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 364 and I-64.
- Route BB, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Elm Street to Route 30.
Saturday, April 23
- I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed eastbound and westbound from Lindbergh to I-170.
Sunday, April 24
- No closures scheduled.
Monday, April 25
- I-70, St. Louis City, 6 a.m. to 6 p.m., one eastbound lane closed on the Stan Musial Veterans Memorial Mississippi River Bridge.
- I-44, St. Louis County, 7 a.m. to 2 p.m., one westbound lane closed at Big Bend.
- I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed eastbound and westbound from Lindbergh to I-170.
- Route 100, St. Louis County, 6 a.m. to noon, one lane closed westbound from Big Bend to Sappington.
- Route 100, St. Louis County, 7 a.m. to 4 p.m., one lane closed eastbound from Sappington to Big Bend.
- Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-170 to Route 67.
- I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Routes T/W.
- Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge.
- Route 94, St. Charles County, 9 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 364 and I-64.
- Route 185, Franklin County, 8 a.m. to 3 p.m., one lane closed northbound and southbound from Hawthorn to Elbert.
- Route BB, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Elm Street to Route 30.
Tuesday, April 26
- I-70, St. Louis City, 6 a.m. to 6 p.m., one eastbound lane closed on the Stan Musial Veterans Memorial Mississippi River Bridge.
- I-44, St. Louis County, 7 a.m. to 2 p.m., one westbound lane closed at Big Bend.
- I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed eastbound and westbound from Lindbergh to I-170.
- I-270, St. Louis County, 7 p.m. to 5 a.m., one lane closed on Pershall Rd. from Washington/Elizabeth to West Florissant.
- Route 100, St. Louis County, 6 a.m. to noon, one lane closed westbound from Big Bend to Sappington.
- Route 100, St. Louis County, 7 a.m. to 4 p.m., one lane closed eastbound from Sappington to Big Bend.
- Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-170 to Route 67.
- I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Routes T/W.
- Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge.
- Route 94, St. Charles County, 9 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 364 and I-64.
- Route 185, Franklin County, 8 a.m. to 3 p.m., one lane closed northbound and southbound from Hawthorn to Elbert.
- Route BB, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Elm Street to Route 30.
Wednesday, April 27
- I-70, St. Louis City, 6 a.m. to 6 p.m., one eastbound lane closed on the Stan Musial Veterans Memorial Mississippi River Bridge.
- I-44, St. Louis County, 7 a.m. to 2 p.m., one westbound lane closed at Big Bend.
- I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed eastbound and westbound from Lindbergh to I-170.
- I-270, St. Louis County, 7 p.m. to 5 a.m., one lane closed on Pershall Rd. from Washington/Elizabeth to West Florissant.
- Route 100, St. Louis County, 6 a.m. to noon, one lane closed westbound from Big Bend to Sappington.
- Route 100, St. Louis County, 7 a.m. to 4 p.m., one lane closed eastbound from Sappington to Big Bend.
- Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-170 to Route 67.
- I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Routes T/W.
- Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge.
- Route 94, St. Charles County, 9 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 364 and I-64.
- Route 185, Franklin County, 8 a.m. to 3 p.m., one lane closed northbound and southbound from Hawthorn to Elbert.
- Route BB, Jefferson County, 7 a.m. to 7 p.m., one lane closed from Elm Street to Route 30.
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