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 2011 event) had been opened by the Corps of Engineers. The Corps estimated the flow rate at . However, on May 25, new estimates from the U.S. Geologic Survey (USGS) described a much higher rate of , resulting in the closure of 3 bays by May 26, and additional closures by May 29, bringing the total to 11 bays with an estimated diversion rate of . The Corps continued to evaluate the flow and close additional bays as appropriate. By June 6, the number of open gates had been reduced to seven, and by June 8, only two gates were