Motorists should brace for traffic delays in Mecca Tuesday due to ongoing construction of a new bridge, according to the Riverside County Department of Transportation.

A stretch of Highway 111 near Avenue 66 is scheduled to be closed in the southbound direction from midnight to 10 a.m. Flaggers will be on hand directing traffic.

The work is related to the Avenue 66 Grade Separation project, which is expected to save motorists time getting into or through Mecca. Work on the project began last May and is slated to conclude by the end of this year.

The project entails building a two-lane bridge over an irrigation channel to connect both sides of Avenue 66, which will allow motorists to avoid contact with freight trains traveling north and south at the location.

It will serve as the secondary access point to Mecca. The original primary access point was at Fourth Street, where residents and visitors were previously forced to wait for the train tracks to clear before entering and exiting the community.

Additional closures are slated for the duration of the project. Project status updates can be found at

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