MoDOT to close section of Route D near Route T for box culvert project starting Novem…

ST. CHARLES COUNTY - Drivers traveling on Route D near Route T may expect delays during a box culvert replacement project starting Monday, November 6. All work is weather permitting.

Crews will close Route D between Route T and Cappeln-Osage Road during construction. The signed detour will be Route T north to Route N east to Route Z south and vice versa. Route D is anticipated to reopen by February 2024.

The existing box culvert was built in 1936 and is in poor condition. Erosion is occurring on the Route D embankment due to frequent flooding during heavy rain events.

The project will replace the existing box culvert with a larger box culvert. The project also includes raising the elevation of Route D about 18 inches to reduce the frequency of roadway flooding.

For more information on this project, visit: https://www.modot.org/route-d-culvert-replacement-st-charles

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