Districts Impacted
Project Summary
Six bridge deck replacements will take place on Missouri Route 9. The bridges were built in 1969, and the proposed work will extend the life of the bridges.
Project Milestones
Jan. 2025
Spring/ Summer 2025
About the Project
Locations
- MO Route 9 and Briarcliff Parkway
- MO Route 9 and Riverside Blvd
- MO Route 9 over Line Creek
Details
The full closure of northbound and southbound MO 9 between 635 and NW Briarcliff Pkwy beginning on Monday, May 5 until early October. An official signed detour will be posted using I-635, I-29 and US-169. All work is weather permitting.
The following closures will be in place as part of the project, Monday, May 5 through early-October (approximately):
- NB MO 9 will be closed from US-169 to I-635
- The ramps from 169 NB, NW Briarcliff Pkwy, and Riverway Blvd to MO 9 NB will be closed.
- SB MO 9 will be closed from I-635 to NW Briarcliff Pkwy
- The ramps from I-635 NB and I-635 SB to MO 9 SB will be closed

Detour
MO Route 9 will be closed from west of 169 to east of I-635 to allow all three bridges to be worked on at the same time.
A signed detour will be from 169 to I-29 to I-635 for Route 9 westbound travel and from I-635 to I-29 to 169 for Route 9 eastbound travel.
News Releases
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REMINDER: Missouri Route 9 to close for Bridge Deck replacements, May 5 - Oct 2025
CLAY AND PLATTE COUNTIES – The Missouri Department of Transportation will be conducting six bridge deck replacements on Missouri Route 9 in Platte and Clay Counties resulting in the full closure of northbound and southbound MO 9 between 635 and...
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REVISED: Missouri Route 9 to close for Bridge Deck replacements, May 5 - Oct 2025
CLAY AND PLATTE COUNTIES – The Missouri Department of Transportation will be conducting six bridge deck replacements on Missouri Route 9 in Platte and Clay Counties resulting in the full closure of northbound and southbound MO 9 between 635 and NW...
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Missouri Route 9 to close for Bridge Deck replacements, May 5 - Oct 2025
CLAY AND PLATTE COUNTIES – The Missouri Department of Transportation will be conducting six bridge deck replacements on Missouri Route 9 in Platte and Clay Counties resulting in the full closure of northbound and southbound MO 9 between 635 and NW...
Project Location

Need More Information?
We're here to help. If you need additional information, you may contact our customer service line or contact Area Engineer Ravi Neupane:
- MoDOT Customer Service Line: 1-888-275-6636
- Area Representative Ravi Neupane: (816)-607-2264 Email: ravi.neupane@modot.mo.gov