Districts Impacted
Project Summary
The Grand River Overflow Bridge on U.S. Route 136 in Princeton is in need of a bridge deck replacement. The bridge was built in 1971 and carries approximately 1917 vehicles per day.
MoDOT and consultants from HDR, Inc. are designing a project to replace the bridge deck, the approach pavement and install guardrail where warranted.
Project Progress
MoDOT and consultants from HDR, Inc. are designing the bridge deck replacement project.
MoDOT will offer three opportunities to receive community feedback regarding the bridge deck replacement project.
- A public open-house meeting will be held on Tuesday, July 29, from 3:30-5:30 p.m. at Princeton High School (1008 E Coleman St, Princeton, MO 64673). Community members may stop by anytime between 3:30 and 5:30 p.m. to learn about the project.
- View the information on this webpage and utilize the form at the bottom of the page to submit your comments and/or sign up for project-specific updates.
- Mail your comments to:
Mercer County U.S. Route 136 bridge deck replacement
Missouri Department of Transportation
3602 North Belt Highway
St. Joseph, MO 64506
All comments must be postmarked by Tuesday, August 12.
We are committed to providing equal access to this event for all participants. If you need a reasonable accommodation or translation services, please contact NW District Communications at 816-901-4529 by Tuesday, July 22.
Contractors may submit competitive bids during MoDOT's scheduled lettings. This project is scheduled to be a part of the December 2025 letting. The Missouri Highways and Transportation Commission will consider all submitted bids at its scheduled monthly meeting in January 2026. If the lowest submitted bid meets all necessary criteria, the MHTC may award contracts at that time.
After the contract is awarded, MoDOT will work with the contractor to determine the construction schedule.
All work must be completed on or before Dec. 1, 2026, to meet contract requirements.
Project News
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MoDOT to hold open-house meetings in Milan and Princeton on July 29
ST. JOSEPH, Mo. – The Missouri Department of Transportation will host two public meetings, one in Milan and another in Princeton, to discuss upcoming bridge deck replacement projects in Mercer, Putnam and Sullivan Counties on Tuesday, July 29.
The...
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Planned Roadwork for Northwest Missouri, July 14-20
St. Joseph, Mo. – The following is a list of general highway maintenance and construction work the Missouri Department of Transportation has planned in the Northwest Missouri region for the week of July 14-20.
There may be moving operations...
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Planned Roadwork for Northwest Missouri, July 7-13
St. Joseph, Mo. – The following is a list of general highway maintenance and construction work the Missouri Department of Transportation has planned in the Northwest Missouri region for the week of July 7-13.
MoDOT will limit road construction on...
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Planned Roadwork for Northwest Missouri, June 30-July 6
St. Joseph, Mo. – The following is a list of general highway maintenance and construction work the Missouri Department of Transportation has planned in the Northwest Missouri region for the week of June 30-July 6.
MoDOT will limit road construction...
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Mercer County Route J closed for emergency culvert repair
St. Joseph, Mo. – Mercer County Route J is closed today, Thursday, June 26, from Route E to Route JJ for an emergency culvert repair. The Missouri Department of Transportation plans to reopen the road by 3 p.m. today.
Traffic Impacts: Route J will be...
Photos
Frequently Asked Questions:
Q: What will the impact to traffic be?
A: The bridge will be narrowed to one lane with temporary traffic signals in place during construction. Motorists should expect delays.
Q: Who can I contact if I have further questions?
A: Questions may be left by calling 888 ASK MODOT (888-275-6636) or emailing nwcr@modot.mo.gov.
Q: How can I stay updated on the project's progress?
A: Sign up for project-specific updates at the bottom of this page.
Need More Information?
We're here to help! If you're looking for additional information, you can contact us at:
- nwcr@modot.mo.gov
- 1-888-ASK-MODOT (888 275-6636) - reference Mercer County U.S. Route 136 bridge deck replacement
- Sign up for eUpdates: Customer Service Signon (mo.gov)