New traffic pattern on the NB/SB U.S. 169 Viaduct Bridges to begin, May 27

NB U.S. 169 will open across the SB U.S. 169 Viaduct Bridge.

CLAY COUNTY – Northbound U.S. 169 will open to traffic in a new head-to-head traffic pattern across the southbound U.S. 169 Viaduct Bridge, beginning at 12:00 PM on Wednesday, May 27. The new traffic pattern will begin just past the Kansas City Downtown Airport - Wheeler Field and end just north of the viaduct bridges near Briarcliff Parkway and MO Route 9.  

The following traffic impacts will be in place, beginning at 12:00 PM on Wednesday, May 27

  • NB U.S. 169 will open across the SB U.S. 169 Viaduct Bridge in head-to-head traffic pattern with one lane in each direction
  • MO Route 9 traffic will not be able to access SB U.S.169    
  • NB U.S. 169 traffic will not be able to exit onto MO Route 9   
  • The speed limit will be reduced from 55 mph to 45 mph throughout the project area.  

This traffic pattern will remain in place until the completion of the scheduled bridge replacement in Summer 2028.  For more information about the project, visit U.S. Route 169 Bridge Replacement in Clay County | Missouri Department of Transportation

During peak travel times, motorists may experience delays on SB/NB U.S. 169. The nearby river crossings of Fairfax, Heart of America Bridge, Kit Bond Bridge and the I-435 River Bridge are recommended alternative routes. 

In Dec. 2025, the NB U.S. 169 Viaduct Bridge was closed for further evaluation. After further evaluation, MoDOT determined it was necessary to keep the bridge closed. This bridge was already scheduled for replacement in summer 2026 after the World Cup.  

Motorists are reminded to slow down and pay attention while driving in work zones. Not all work zones look alike. They can also be short-term, temporary lane closures to make quick repairs or remove debris from the roadway.   

For more information about MoDOT news, projects or events, please visit our website at www.modot.org/kansascity. For instant updates, follow MoDOT_KC on X, or share posts and comments on our Facebook at www.facebook.com/MoDOT.KansasCity/. MoDOT Kansas City maintains more than 7,000 miles of state roadway in nine counties. Sign up online for work zone updates or call 888-ASK-MODOT (275-6636).

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