JEFFERSON CITY, Mo. – The following is a list of general highway maintenance and construction work planned in the mid–Missouri area Jan. 12 – 18, 2026. Weather conditions may postpone scheduled work. Many projects will include lane closures which could cause delays.
All Counties
In addition to the work listed below, other moving operations such as pothole patching, brush cutting, and pavement repairs continue in various locations. Motorists should travel with care and be alert for slow-moving equipment.
All work is weather permitting, and schedules are subject to change.
Boone County
Route K and Old Plank Road intersection – Old Plank Road CLOSED, for continued roundabout construction. Detours are in place. This is a cost-share project between the City of Columbia and MoDOT and is scheduled for completion in February 2026.
U.S. Route 63 – Interchange improvements at Route AC (Grindstone Parkway) continue. Most of the current planned work is not expected to impact traffic, but motorists should be alert for crews and equipment in close proximity to the traveling public. Slow down, use caution, and obey all construction signing. This project is scheduled to continue through November 2026.
North Outer Road 70 – CLOSED for a culvert extension project at Little Cedar Creek, east of Columbia, near mile marker 134.8 on Interstate 70. Motorists need to use an alternate route during the closure, which is expected to continue through February 2026. **
I-70 – New pavement construction from west of St. Charles Road (near mile marker 130) to the Callaway County line (near mile marker 136) as part of the Improve I-70 Program. Motorists can expect intermittent and long-term lane closures for the duration of the project, which has an overall completion date in 2027. **
Callaway County
I-70 – Ramp CLOSED from Route A to westbound I-70 (Exit 155) Jan. 12 – 13, 7:30 a.m. to 2:30 p.m. daily.
Route UU – Shoulder work planned Jan. 12 – 16. One lane will remain open, and crews will flag traffic through the work zone.
Route YY – Shoulder work planned Jan. 13 – 14. One lane will remain open, and crews will flag traffic through the work zone.
North Outer Road 70 (Old U.S. Route 40) – CLOSED for a culvert replacement project at Sallees Creek, west of Kingdom City (near I-70 mile marker 146.4). Motorists need to use an alternate route during the closure, which is expected to continue through February 2026. **
I-70 – New pavement construction continues from the Route M (near mile marker 144) to Kingdom City (near mile marker 148) as part of the Improve I-70 Program. Motorists can expect intermittent and long-term lane closures for the duration of the project, which has an overall completion date in 2027. **
Camden County
Missouri Route 7 – Roadside work planned Jan. 12 – 16 from Missouri Route 5 to the Benton County line. One lane will remain open, and crews will flag traffic through the work zone.
U.S. Route 54 – Pavement widening and driveway entrance improvements continue. Traffic is shifted between Business Route 5 and Bumper Hill Road, with one lane open each direction, but no center turn lane. Driveway replacements are scheduled this week between Blair Avenue and Bumper Hill Road. The traffic shift is expected to remain in place through spring 2026.
Cole County
U.S. Route 54 – Bridge inspection planned Jan. 13 – 14 over the Missouri River. One lane will be closed between 8:30 a.m. and 3 p.m.
Cooper County
Route 5 – Roadside work planned Jan. 12 – 14, northbound only, 0.5 miles south of I-70. One lane will remain open, and crews will flag traffic through the work zone.
Crawford County
I-44 – Sealing operations planned Jan. 12 – 16, westbound only, from mile marker 226 to mile marker 218 (Sullivan to Bourbon).
North Outer Road 44 – Pavement repairs planned Jan. 12 – 16 from Route U to Route F. One lane will remain open, and crews will flag traffic through the work zone. A 10-foot width restriction will be in place.
Missouri Route 8 – Culvert replacements planned Jan. 12 – 16 from Route E to Butts Road. One lane will remain open with a 12-foot width restriction, and crews will flag traffic through the work zone.
Routes C and CC – Pavement repairs planned Jan. 12 - 16. One lane will remain open, and crews will flag traffic through the work zone. A 10-foot width restriction will be in place.
Route F – Culvert replacements planned Jan. 12 – 16 from I-44 to Route EE. One lane will remain open, and crews will flag traffic through the work zone.
Routes 8, 49, M, V, and Y – Roadside work planned Jan. 12 – 16. One lane will remain open, and crews will flag traffic through the work zone. Width restrictions varying from 10 to 12 feet will be in place.
Dent County
Missouri Route 32 – Culvert replacements planned Jan. 12 – 23 from Howes Mill to just east of Route AC. One lane will remain open with a 10-foot width restriction, and crews will flag traffic through the work zone.
Howard County
Route 5 – Roadside work planned Jan. 12 – 16 from Route DD to U.S. Route 40. One lane will remain open, and crews will flag traffic through the work zone.
Laclede County
Route N – CLOSED in various locations south of Grindstone Road for culvert replacements Jan. 12 – 14 from 8 a.m. to 3 p.m. daily. Motorists must use an alternate route.
Route N – Shoulder work planned Jan. 12 – 16 north of Route MM. One lane will remain open, and crews will flag traffic through the work zone.
Route Z – CLOSED 1 mile south of Route 32 for a culvert replacement Jan. 12 – 16, from 8 a.m. to 3 p.m. daily. Motorists must use an alternate route.
Route 5 – Pedestrian facility upgrades continue in Lebanon at Adams Street. 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 January 2026.
Maries County
Route Z – Roadside work planned Jan. 12 – 16. One lane will remain open, and crews will flag traffic through the work zone.
Route AA – CLOSED for a bridge deck replacement project over the Maries River. A signed detour is in place to direct motorist around the closure. The project is scheduled for completion in mid-January 2026.
Moniteau County
U.S. Route 50 – Brush cutting and roadside work planned Jan. 12 – 16 from Flag Spring Road to the Cole County line. One lane will remain open, and crews will flag traffic through the work zone.
Missouri Route 87 – Culvert replacements planned Jan. 12 – 16 in various locations along the route. One lane will remain open, and crews will flag traffic through the work zones.
Morgan County
Route FF – Roadside work planned Jan. 12 – 16 from Missouri Route 52 to Fawn Ridge Road. One lane will remain open, and crews will flag traffic through the work zone.
Route O – Roadside work planned Jan. 12 – 16 from Route 5 to the end of state maintenance. One lane will remain open, and crews will flag traffic through the work zone.
Route 52 and Route 5 intersection – Roundabout construction continues in Versailles. The project is scheduled for completion in January 2026.
Osage County
Route T – Roadside work planned Jan. 12 – 16. One lane will remain open, and crews will flag traffic through the work zone.
Phelps County
Route A – Culvert replacement planned Jan. 12 – 16 from Route E to the Maries County line. One lane will remain open, and crews will flag traffic through the work zone.
Route BB – Culvert replacement planned Jan. 12 – 16 from Forum Drive to Country Club Road. One lane will remain open, and crews will flag traffic through the work zone.
Route O – Culvert replacements planned Jan. 12 – 16. One lane will remain open, and crews will flag traffic through the work zone.
Route D – CLOSED for a bridge rehabilitation project over I–44, approximately 7 miles southwest of Doolittle. A signed detour is in place. The project is scheduled for completion in mid-January 2026.
Missouri Route 72 – Pedestrian facility upgrades continue in Rolla. 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 January 2026.
Pulaski County
Missouri Route 17 – Shoulder work planned Jan. 12 – 16 from Crocker to Waynesville. One lane will remain open, and crews will flag traffic through the work zone.
Route DD – Culvert replacement planned Jan. 12 – 16 at Bangor Road. One lane will remain open, and crews will flag traffic through the work zone.
Route H – Bridge maintenance planned Jan. 12 – 16 at mile marker 156 over I-44. One lane will remain open, and crews will flag traffic through the work zone.
Route DD and HH – Shoulder work planned Jan. 12 – 16. One lane will remain open, and crews will flag traffic through the work zone.
Washington County
Route M – Culvert replacements planned Jan. 12 – 16 in various locations from Missouri Route 21 to Route BB. One lane will remain open, and crews will flag traffic through the work zones.
Route 8 – Bridge rehabilitation over the Union Pacific Railroad. Work is currently suspended. The roadway will remain open throughout the project but is narrowed to one lane. Motorists should expect delays. For more information about the work stoppage: https://www.modot.org/node/80126
Missouri Route 47 – CLOSED for a bridge replacement project over Mill Creek. A signed detour is in place. The project is scheduled for completion in mid-January 2026.
**This work is part of the Improve I-70 program. Learn more at modot.org/improvei70/columbiakingdomcity.
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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