Caltrans announced that the Isleton Bridge on Highway 160 will be closed until 2 p.m. Thursday due to mechanical issues.
Caltrans originally estimated the bridge would be open Wednesday evening, but extended the closure and advised drivers to use alternate routes.
Caltrans District 3 spokesman Gilbert Mohtes-Chan said crews will be doing repairs to ensure the stability of the drawbridge locking mechanism.
The bridge, located just north of Isleton on the Sacramento River, connects the highway to River Road.
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