JEFFERSON CITY, Mo. – The following is a list of general highway maintenance and construction work planned in the mid–Missouri area Aug. 10 - 16, 2026.
In addition to the work listed below, other moving operations such as pothole patching, mowing, brush cutting, striping, and pavement repairs continue in various locations. Motorists should travel with care and be alert for slow-moving equipment.
As part of the Improve I-70 program, intermittent and long-term single-lane closures can be expected on Interstate 70. Width restrictions will vary, depending on location. Check restrictions before travel.
All work is weather permitting, and schedules are subject to change.
Boone County
Lenoir Street – Sidewalk replacement planned Aug. 10 south of New Haven Road in Columbia.
Route 124 – Shoulder widening continues in various locations from U.S. Route 63 to Missouri Route 240 in Howard County. One lane will remain open, and crews will flag traffic through the work zone.
St. Charles Road – CLOSED over I-70 for bridge construction. The on- and off-ramps at this overpass (Exit 131) are open, and a signed detour is in place. The new bridge is expected to open on Aug. 14, 2026.**
Route AC – Pedestrian facility upgrades continue from Missouri Route 163 (Providence Road) to U.S. 63. Work will require temporary closures of pedestrian facilities, turning restrictions, and intermittent single-lane closures with flaggers to direct motorists through the work zone. The project is scheduled for completion in September 2026.
Providence Road – CLOSED over I-70 for bridge construction. All ramps at Providence Road (Exit 126) are now closed for the duration of the bridge construction. The new bridge is expected to open in late October 2026.**
Routes J and O (Exit 117) – Westbound I-70 ramps at Exit 117 are CLOSED. This closure restricts access to and from Routes J and O as listed below. The ramp closures are expected to continue through the end of November 2026. **
The following traffic impacts and detours are in place:
- No access to/from Route J and either direction of I-70.
- Detour: U.S. 40/ Route 240.
- No access to/from Route O and westbound I-70.
- Detour from westbound I-70: Route BB (Exit 115) to eastbound I-70 to Route O.
- Detour to westbound I-70: Eastbound I-70 to Exit 121 to westbound I-70.
- No access between Routes J and Route O underneath I-70.
- Detour: U.S. 40/ Route 240 to Route UU.
I-70 Drive Southeast – CLOSED from just west of Woodridge Drive to Glenstone Drive for construction of a new underpass. The entrance to Woodridge Drive from I-70 Drive Southeast is also closed. A signed detour directs motorists around the closure. The roadway is expected to reopen in January 2027.**
North Outer Road 70 – CLOSED at Cedar Creek, west of Callaway County Route J (near mile marker 136.6). Signs are located ahead of the closure to alert motorists to use an alternate route for the duration of the closure, which is expected through January 2027. **
Callaway County
Route H – CLOSED for a bridge deck replacement project over Middle River, west of Fulton. A signed detour is in place to direct motorists around the closure via Route J and U.S. 54. The project is scheduled for completion in September 2026.
Eastbound I-70 on-ramp (Exit 144) – The ramp to eastbound I-70 from Route M/Hatton at Exit 144 is CLOSED. The ramp closure is expected to continue through October. Motorists must use an alternate route. **
Eastbound I-70 off-ramp (Exit 148) – The ramp from eastbound I-70 to U.S. 54 at Exit 148 is CLOSED. The ramp closure is expected to continue through October. Motorists must use an alternate route. **
Route W (Airport Road) - Temporary traffic signals are in place to maintain traffic through the single-lane work zone for ramp construction as part of the U.S. 54 pavement widening project. This portion of the project is scheduled for completion in October 2026.
North Outer Road 70 – CLOSED at Cedar Creek, west of Route J (near mile marker 136.6). Signs are located ahead of the closure to alert motorists to use an alternate route for the duration of the closure, which is expected through January 2027. **
U.S. 54 – Pavement widening continues from U.S. 63 to the Missouri River Bridge. Narrowed lanes with a 10-foot width restriction and reduced speed limits are in place. The project is scheduled for completion in May 2027.
Camden County
U.S. 54 – Resurfacing scheduled to begin Aug. 10, nightly from 7 p.m. to 6 a.m. from Route Y near Linn Creek to Route 5 in Camdenton. One lane will remain open, and crews will flag traffic through the work zone.
Route 7 – CLOSED for a bridge deck replacement project over Murphy Creek between Route T and the city of Richland. A signed detour is in place to direct motorists around the closure via Routes T and H. The project is scheduled for completion in October2026.
U.S. 54 – Pavement widening and driveway entrance improvements continue in Camdenton. Traffic is shifted between Business Route 5 and Bumper Hill Road, with one lane open in each direction, but no center turn lane. The project is scheduled for completion in November 2027.
Cole County
Outer Road 50 (Missouri Boulevard) – A pavement widening, signal installation, and sidewalk extension project continues. One eastbound lane of Missouri Boulevard will be closed during daytime hours, Monday through Friday, between South Ten Mile Drive and east of Wildwood Drive. The project is scheduled for completion in November 2027.
Cooper County
Route 135 – Resurfacing scheduled to begin Aug. 12 from I-70 to Route JJ at the Pettis County line. One lane will remain open and flaggers with a pilot car will direct motorists through the work zone. The project is scheduled for completion in October 2026.
Westbound and Eastbound I-70 ramps (Exit 98) – Ramps CLOSED for seal coat operations planned Aug. 14, 10 a.m. to 1 p.m.
Crawford County
North Outer Road 44 (Frontage Road) – Resurfacing continues from Route WW to Hobby Hut Road. One lane will remain open, and crews will flag traffic through the work zone.
Routes 49 and V – Roadside work planned Aug. 10 - 13. One lane will remain open, and crews will flag traffic through the work zones.
Route M – Pavement repairs planned Aug. 10 - 13. One lane will remain open, and crews will flag traffic through the work zone.
Route N – Shoulder work planned Aug. 10 - 13 at Valley Road. One lane will remain open, and crews will flag traffic through the work zone.
South Outer Road 44 (Old Highway 66) – Resurfacing continues from Route UU to Route D in Franklin County. One lane will remain open, and crews will flag traffic through the work zone.
Dent County
Route B – CLOSED at the bridge over Dry Creek for a bridge replacement project. A signed detour is in place. The project is scheduled for completion in August 2026.
Route 32 – Resurfacing continues east of Salem as the project continues toward Iron County Route KK. A 10-foot width restriction is in place around-the-clock for the duration of the project, which is expected to be completed in September 2026.
Routes 19 and 32 – Pedestrian facility upgrades continue in the city limits of Salem. Minimal traffic impacts are expected during the project which is expected to be completed in September 2026.
Howard County
Route 124 – Shoulder widening continues in various locations from Route 240 (Fayette) to U.S. 63 in Boone County. One lane will remain open, and crews will flag traffic through the work zone.
Laclede County
Route J – CLOSED daily from Route 5 to Route PP Aug. 10 – 11, 6 a.m. to 5 p.m. for a culvert replacement. Motorist will need to seek an alternate route.
Maries County
Route V – Pavement repairs planned Aug. 10 - 13. One lane will remain open, and crews will flag traffic through the work zone.
Route 89 – Resurfacing continues from Route 28 in Belle north to U.S. 50 in Linn (Osage County). One lane will remain open and flaggers with a pilot car will direct motorists through the work zone. The project is scheduled for completion in August 2026.
Miller County
Routes17, H, HH, W and Bagnall Dam Boulevard – Pavement repairs planned Aug. 10 - 13. One lane will remain open, and crews will flag traffic through the work zones.
Moniteau County
Route 87 – Culvert replacements planned Aug. 10 - 13 from Route 179 to Route O. One lane will remain open, and crews will flag traffic through the work zone.
Osage County
Route 89 – Resurfacing continues from Route 28 in Belle (Maries County) north to U.S. 50 in Linn. One lane will remain open and flaggers with a pilot car will direct motorists through the work zone. The project is scheduled for completion in August 2026.
U.S. 50 – Pedestrian facility upgrades continue in Linn at Route CC. Work will require temporary closures of pedestrian facilities and intermittent single-lane closures with flaggers to direct motorists through the work zone. The project is scheduled for completion in November 2026.
Phelps County
Route 68 – Shoulder work planned Aug. 10 - 12 between County Road 3430 and County Road 3460. One lane will remain open, and crews will flag traffic through the work zone.
Route O – Culvert replacement planned Aug. 10 - 13 between County Road 5160 and County Road 5220. One lane will remain open, and crews will flag traffic through the work zone.
Route 68 – Pavement repairs planned Aug. 12 - 13 between County Road 2480 and Matlock Drive. One lane will remain open, and crews will flag traffic through the work zone.
Route J – CLOSED for a bridge rehabilitation project over I-44. The on- and off-ramps at this overpass (Exit 169) will remain open and a signed detour will be in place. The project is scheduled for completion in mid-August 2026.
Business Loop 44/Route 72/Kingshighway – A bridge rehabilitation project over I-44 continues. One eastbound lane will remain open with a 12-foot width restriction. The bridge is CLOSED to all westbound traffic, and a signed detour is in place. The project is scheduled for completion in September 2026.
U.S. 63 – Bridge rehabilitation continues over Little Piney Creek near Yancy Mills. Temporary traffic signals are being used to maintain traffic through the single-lane work zone. A 10-foot width restriction is in place. The project is scheduled for completion in October 2026.
Pulaski County
Route 133 – Culvert replacement planned Aug. 10 - 13 east of Richfield Road. One lane will remain open, and crews will flag traffic through the work zone.
Route D – Culvert replacement planned Aug. 10 - 13. One lane will remain open, and crews will flag traffic through the work zone.
North Outer Road 44 (Saint Robert Outer Road) – Roadside work planned Aug. 10 - 13. One lane will remain open, and crews will flag traffic through the work zone.
Spur 44 (Missouri Avenue) – Pedestrian facility upgrades continue from east of St. Robert Boulevard to Gateway Circle in St. Robert. Work will require temporary closures of pedestrian facilities and intermittent single-lane closures with flaggers to direct motorists through the work zone. The project is scheduled for completion in October 2026.
I-44 – Ramp CLOSED from eastbound I-44 to Loop 44 (Historic Route 66) at Exit 159 through mid-November as part of a pavement widening project on I-44.
Route 7 – CLOSED for a bridge deck replacement project over I-44 (Exit 150). A signed detour is in place. The project is scheduled for completion in December 2026.
I-44 – A pavement widening project from just east of Exit 156 in Waynesville to Exit 159 in St. Robert is underway. Motorists can expect intermittent and long-term lane closures in both directions from Exit 169 to Exit 150, including a single-lane closure for eastbound traffic through mid-August. The project has an overall completion date in 2027.
Washington County
Route M – Pavement repairs planned Aug. 10 - 13. One lane will remain open with a 10-foot width restriction, and crews will flag traffic through the work zone.
Route 185 – CLOSED for a bridge deck replacement project over Swan Branch. A signed detour is in place to direct motorists around the closure. The project is scheduled for completion in September 2026.
Route 8 – Bridge rehabilitation continues over the Union Pacific Railroad. The roadway will remain open throughout the project but is narrowed to one lane with traffic signals. Motorists should expect delays.
**This work is part of the Improve I-70 program. Learn more at modot.org/improvei70.
MoDOT asks all motorists to work with us by buckling up, putting your phone down, obeying all traffic signs, and slowing down and moving over in work zones.
For more information about MoDOT projects, traffic updates, or other transportation-related matters, please visit our Traveler Information Map at http://traveler.modot.org/ or call our 24-hour Customer Service Center at 1-888-ASK-MoDOT (275-6636). While at modot.org, sign up for work zone updates sent directly to your inbox. Information is also available 24/7 by connecting with us on social media:
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