U.S. Route 190 elevated highway. The road was built as a bypass around the road called Old 190 which continues across the Morganza Spillway to the western edge of Lottie. US 190 crosses the Atchafalaya River on two cantilever bridges known as the Krotz Springs Bridge. It crosses the Mississippi River on the 1940-era Huey Long Bridge north of Baton Rouge. The route is now used as an alternate route for I-10, across the Atchafalaya Expressway. Traffic can be diverted along LA 975 to Krotz Springs, and LA 76 to US 190/LA 1. U.S. Route 190 U.S. Route 190 (US 190) is an
Morganza Spillway still open. All bays were closed on July 7, 2011. The Corps had estimated that it would take opening one-fourth of the spillway’s 125 bays — or 31 bays — to control the flow of the river through Baton Rouge in response to a forecast crest of anticipated on Tuesday, May 17, 2011, which must remain below of water per second through Baton Rouge to ensure the integrity of the levee system. Since Morganza never operated above , the flooding in the Atchafalaya Basin was considerably lower than had been anticipated during the initial estimates of . By May 29,