Districts Impacted
Project Progress
The Missouri Department of Transportation worked with consultant company Benesch to design a new bridge at the Grand River Overflow on Chariton County Route 139 near Sumner.
The project was part of MoDOT's Aug. 21, 2020 bid letting where contractors were able to submit competitive bids on construction projects.
The Missouri Highways and Transportation Commission awarded a $1,434,099.25 contract to Boone Construction Co. at their Sept. 2, 2020 meeting.
The contract states the contractor may begin work as early as Oct. 15, 2020. The contractor plans to close the road to all traffic on Dec. 7, 2020. The planned, signed detour routes are noted below.
The road is scheduled to reopen before the Independence Day holiday in July 2021. By contract, the contractor has 210 calendar days to complete the project.
By contract, the contractor must have all construction complete on or before Dec. 1, 2021.
Old Bridge
- Structurally deficient
- 24-feet wide
- Two 10-foot lanes
New Bridge
- Meets current standards
- 28-feet wide
- Two 12-foot lanes
Planned Detour Routes
Planned Detour Routes
Frequently Asked Questions
Q. Why is MoDOT closing the road during construction?
A. Closing the road during the bridge replacement saves taxpayer money by allowing the contractor to work more efficiently. This will result in a shorter construction period.
Q. How long will the road be closed?
The duration of the road closure has not yet been determined. By contract, the contractor has 210 calendar days in which to complete the work.
Q. What is the planned detour?
There will be two signed detours:
- North: Route 139 to Route H to U.S. Route 65 to U.S. Route 36 to Route 5 to Route 139
- South: Route 139 to U.S. Route 24 to Route 11 to Route CC to Route E to Route 139
- See both routes above
Q. Why not build a bypass?
Based on the cost/benefit ration, building a bypass would not be a prudent use of taxpayer funds. A bypass could also have negative impacts and disruption to private property.
Q. Who can I contact if I have further questions?
A. Questions about the project may be directed to MoDOT Customer Service at 888 ASK MODOT (1-888-275-6636).
Q. How can I stay updated on the project's progress?
A. Sign up for project-specific updates using the form below.
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Chariton County bridge replacement project to begin soon
SUMNER, Mo. – The Grand River Overflow Bridge on Chariton County Route 139 will close soon for replacement. The Missouri Department of Transportation contracted with Boone Construction Co. to replace the structurally deficient 57-year-old bridge...