ST. LOUIS – Drivers on Route 109 at Route 100 should be prepared for traffic changes as crews will shift Route 109 onto the new roadway on the bridge over Route 100 Thursday, weather permitting.
On Thursday, September 26, crews will shift the northbound lanes onto the new section of bridge at 7 a.m., and will shift the southbound lanes onto the new section of bridge after the morning rush. Drivers will still be able to make all the traffic movements currently available between northbound and southbound Route 109 and Route 100.
For more on roadway closures due to construction, additional work zone information and real-time roadway weather conditions (including flood closures) go to http://traveler.modot.org/map. For real-time traffic, visit www.gatewayguide.com. All work is weather permitting and may be shifted due to inclement weather.
Motorists should be aware of the following on-going closures:
- I-44, St. Louis City, one westbound lane closed from Jefferson to Grand through December.
- I-44, St. Louis, two westbound lanes closed from Grand to Macklind through December.
- I-44, St. Louis City, one eastbound lane closed from Hampton to Grand through December
- I-44, St. Louis City, the ramp from Vandeventer to westbound I-44 is closed through December.
- I-64, St. Louis City, the ramp from eastbound to 14th Street is closed through September.
- I-64, St. Louis City, the ramp from 14th Street to westbound I-64 closed until mid-November.
- I-64, St. Louis City, the ramp from Pine Street to eastbound is closed through September.
- I-44, St. Louis County, one lane closed eastbound from west of Meramec River and Geyer until November.
- I-44, St. Louis County, one lane closed westbound between I-270 and Bowles through early 2022.
- I-270, St. Louis County, westbound Watson ramp onto I-270 is closed until late October.
- Route 67, St. Louis County, the Dorsett-Midland Bridge over Lindbergh is closed until October.
- Route 109, St. Louis County, the left turn lane is closed on the bridge over Route 100 until summer 2020.
- Route 79, St. Charles County, one lane eastbound and westbound will be closed on Salt River Road over Route 79 until early December.
- Route 370, St. Charles County, one left lane eastbound and westbound closed through fall.
- Route B, St. Charles County, Route B between Hodges Club Road and Kampsville Road is closed until early October.
- Route T, St. Charles County, 7 a.m. until late December, Route T will close between Route M and Route N.
- Route H, Franklin County, the Route H Bridge over the Bourbeuse River is closed September 16 until late December.
Please see the list of daily road closures, weather permitting:
Thursday, September 26
- I-70, St. Louis City, 6 p.m. to 2 p.m., one lane closed eastbound on the Stan Musial Veterans Memorial Bridge across the Mississippi River.
- I-44, St, Louis County, 8:30 a.m. to 3 p.m., one additional lane (two total) closed westbound at the Meramec River Bridge.
- I-44, St. Louis County, 7 p.m. to 5 a.m., one lane closed eastbound just past I-270.
- I-255, St. Louis County, 9 a.m. to 3 p.m., one lane closed westbound on Jefferson Barracks Bridge.
- I-270, St. Louis County, 9 a.m. to noon, southbound ramp to Route 370 will be narrowed.
- Route 67, St. Louis County, 6 p.m. for 2 weeks, Dorsett ramp to southbound Route 67 will be closed.
- Route 67, St. Louis County, 8 p.m. to 5 a.m., all southbound Lindbergh tunnel lanes will be closed.
- Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed westbound at Route 109.
- Route 141, St. Louis County, 6 a.m. to 4:30 p.m., one southbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 9 a.m. to 4:30 p.m., one northbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed northbound or southbound between Vance Road and Forest Park Avenue and Meramec Station Road and Valley Park Drive.
- Route T, St. Charles County, 8 a.m. to 3 p.m., one lane closed between I-70 Outer Road and Route OO and Route N. Flaggers will direct traffic through the closure.
- I-44, Franklin County, 7:30 p.m. to 7 a.m., one lane closed eastbound and westbound from Route 30/47 to the Crawford County line.
- Route 67, Jefferson County, 5 a.m. to 3 p.m., one lane closed southbound at Flucom Road.
- Route 67, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound at Flucom Road.
- Route 21, Jefferson County, 7 a.m. to 5 p.m., one lane closed in each direction at Hill Top and Amvet. Flaggers will direct traffic through the closure.
- Route 110, Jefferson County, 7:30 p.m. to 5 a.m., one lane closed from Route 67 to Route 21. Flaggers will direct traffic through the closure.
Friday, September 27
- I-70, St. Louis City, 6 p.m. to 2 p.m., one lane closed eastbound on the Stan Musial Veterans Memorial Bridge across the Mississippi River.
- I-44, St, Louis County, 8:30 a.m. to 3 p.m., one additional lane (two total) closed westbound at the Meramec River Bridge.
- I-44, St. Louis County, 8:30 a.m. to 3 p.m., one lane closed eastbound just past I-270.
- Route 67, St. Louis County, 8 p.m. to 5 a.m., all northbound Lindbergh tunnel lanes will be closed.
- Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed westbound at Route 109.
- Route 141, St. Louis County, 6 a.m. to 4:30 p.m., one southbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 9 a.m. to 4:30 p.m., one northbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed northbound or southbound between Vance Road and Forest Park Avenue and Meramec Station Road and Valley Park Drive.
- Route T, St. Charles County, 8 a.m. to 3 p.m., one lane closed between I-70 Outer Road and Route OO and Route N. Flaggers will direct traffic through the closure.
- I-44, Franklin County, 7:30 p.m. to 7 a.m., one lane closed eastbound and westbound from Route 30/47 to the Crawford County line.
- Route 67, Jefferson County, 5 a.m. to 3 p.m., one lane closed southbound at Flucom Road.
- Route 67, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound at Flucom Road.
- Route 21, Jefferson County, 7 a.m. to 5 p.m., one lane closed in each direction at Hill Top and Amvet. Flaggers will direct traffic through the closure.
- Route 110, Jefferson County, 7:30 p.m. to 5 a.m., one lane closed from Route 67 to Route 21. Flaggers will direct traffic through the closure.
Saturday, September 28
- Route 141, St. Louis County, 7 a.m. to 6 p.m., one lane closed northbound and southbound under I-70.
- Route 21, Jefferson County, 7 a.m. to 5 p.m., one lane closed in each direction at Hill Top and Amvet. Flaggers will direct traffic through the closure.
Sunday, September 29
No Scheduled Closures
Monday, September 30
- I-70, St. Louis City, 9 a.m. to 6 a.m., one lane closed eastbound on the Stan Musial Veterans Memorial Bridge across the Mississippi River.
- I-70, St. Louis City & County, 9 a.m. to 3 p.m., left lane closed at sections from Branch to Cypress.
- I-70, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed in various locations eastbound and westbound from Springdale to Hanley.
- I-44, St, Louis County, 8:30 a.m. to 3 p.m., one additional lane (two total) closed westbound at the Meramec River Bridge.
- Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed westbound at Route 109.
- Route 100, St. Louis County, 8:30 a.m. to 2:30 p.m., westbound lanes closed at Route 109. Traffic will be diverted to off-ramp.
- Route 141, St. Louis County, 6 a.m. to 4:30 p.m., one southbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 9 a.m. to 4:30 p.m., one northbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed northbound or southbound between Vance Road and Forest Park Avenue and Meramec Station Road and Valley Park Drive.
- Route T, St. Charles County, 8 a.m. to 3 p.m., one lane closed between I-70 Outer Road and Route OO and Route N. Flaggers will direct traffic through the closure.
- Route K, St. Charles County, 9 p.m. to 5 a.m., one lane closed northbound and southbound from Veterans Memorial Parkway to North Outer Road.
- I-44, Franklin County, 7:30 p.m. to 7 a.m., one lane closed eastbound and westbound from Route 30/47 to the Crawford County line.
- Route 67, Jefferson County, 5 a.m. to 3 p.m., one lane closed southbound at Flucom Road.
- Route 67, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound at Flucom Road.
- Route 21, Jefferson County, 7 a.m. to 5 p.m., one lane closed in each direction at Hill Top and Amvet. Flaggers will direct traffic through the closure.
- Route 110, Jefferson County, 7:30 p.m. to 5 a.m., one lane closed from Route 67 to Route 21. Flaggers will direct traffic through the closure.
Tuesday, October 1
- I-70, St. Louis City, 9 a.m. to 6 a.m., one lane closed eastbound on the Stan Musial Veterans Memorial Bridge across the Mississippi River.
- I-70, St. Louis City & County, 9 a.m. to 3 p.m., left lane closed at sections from Branch to Cypress.
- I-70, St. Louis County, 7 p.m. to a.m., up to two lanes closed in various locations eastbound and westbound from Springdale to Hanley.
- I-44, St, Louis County, 8:30 a.m. to 3 p.m., one additional lane (two total) closed westbound at the Meramec River Bridge.
- Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed westbound at Route 109.
- Route 100, St. Louis County, 8:30 a.m. to 2:30 p.m., eastbound and westbound lanes closed at Route 109. Traffic will be diverted to off-ramps.
- Route 141, St. Louis County, 6 a.m. to 4:30 p.m., one southbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 9 a.m. to 4:30 p.m., one northbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed northbound or southbound between Vance Road and Forest Park Avenue and Meramec Station Road and Valley Park Drive.
- Route T, St. Charles County, 8 a.m. to 3 p.m., one lane closed between I-70 Outer Road and Route OO and Route N. Flaggers will direct traffic through the closure.
- Route K, St. Charles County, 9 p.m. to 5 a.m., one lane closed northbound and southbound from Veterans Memorial Parkway to North Outer Road.
- I-44, Franklin County, 7:30 p.m. to 7 a.m., one lane closed eastbound and westbound from Route 30/47 to the Crawford County line.
- Route 67, Jefferson County, 5 a.m. to 3 p.m., one lane closed southbound at Flucom Road.
- Route 67, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound at Flucom Road.
- Route 21, Jefferson County, 7 a.m. to 5 p.m., one lane closed in each direction at Hill Top and Amvet. Flaggers will direct traffic through the closure.
- Route 110, Jefferson County, 7:30 p.m. to 5 a.m., one lane closed from Route 67 to Route 21. Flaggers will direct traffic through the closure.
Wednesday, October 2
- I-70, St. Louis City, 9 a.m. to 6 a.m., one lane closed eastbound on the Stan Musial Veterans Memorial Bridge across the Mississippi River.
- I-70, St. Louis City & County, 9 a.m. to 3 p.m., left lane closed at sections from Branch to Cypress.
- I-70, St. Louis County, 7 p.m. to a.m., up to two lanes closed in various locations eastbound and westbound from Springdale to Hanley.
- I-44, St, Louis County, 8:30 a.m. to 3 p.m., one additional lane (two total) closed westbound at the Meramec River Bridge.
- Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed westbound at Route 109.
- Route 100, St. Louis County, 8:30 a.m. to 2:30 p.m., eastbound lanes closed at Route 109. Traffic will be diverted to off-ramp.
- Route 141, St. Louis County, 6 a.m. to 4:30 p.m., one southbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 9 a.m. to 4:30 p.m., one northbound lane closed from I-64 to I-44.
- Route 141, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed northbound or southbound between Vance Road and Forest Park Avenue and Meramec Station Road and Valley Park Drive.
- Route T, St. Charles County, 8 a.m. to 3 p.m., one lane closed between I-70 Outer Road and Route OO and Route N. Flaggers will direct traffic through the closure.
- I-44, Franklin County, 7:30 p.m. to 7 a.m., one lane closed eastbound and westbound from Route 30/47 to the Crawford County line.
- Route 67, Jefferson County, 5 a.m. to 3 p.m., one lane closed southbound at Flucom Road.
- Route 67, Jefferson County, 9 a.m. to 5 p.m., one lane closed northbound at Flucom Road.
- Route 21, Jefferson County, 7 a.m. to 5 p.m., one lane closed in each direction at Hill Top and Amvet. Flaggers will direct traffic through the closure.
- Route 110, Jefferson County, 7:30 p.m. to 5 a.m., one lane closed from Route 67 to Route 21. Flaggers will direct traffic through the closure.
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