Virtual Guidebook to the Sacramento Valley
Sacramento River Bypasses
north and west of Sacramento California


Recurrent winter and spring floods on the Sacramento River led to construction of levees and bypasses to protect both farms and towns. The most visible is the Yolo Bypass, which takes water out of the river upstream from Sacramento and allows it to flow shallow but miles-wide into the delta near Rio Vista.

Interstate 80 and the railroad cross the bypass on long causeways. The original timber road causeway was built in 1916. When the Carquinez Bridge opened in 1928 the Lincoln Highway changed its route to utilize the causeway. The present concrete causeway opened in 1962.



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The Yolo Bypass carrying floodwaters from the Sacramento River

(March 25, 2011)


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