Sunday drivers rolling across the Atchafalaya Basin Bridge wound up parked instead of cruising, after a four-vehicle crash shut down both westbound lanes of Interstate 10 near the Butte La Rose exit in St. Martin Parish and clogged traffic for hours. Troopers with the Louisiana State Police responded to the scene, posting photos and a traffic alert that warned motorists to brace for serious delays.
According to Louisiana State Police, the wreck happened at milepost 120 and forced troopers to close all I-10 westbound lanes while they worked the crash, something clearly visible in the photos attached to the post. Local coverage, including WAFB, noted that the images appear to show at least two 18-wheelers involved and that traffic was initially diverted at nearby exits.
Traffic And Detours
As reported by WBRZ, the crash occurred around 10 a.m., and at its worst, the westbound closure backed traffic up to the Lobdell Highway exit. Drivers were pushed onto a detour that sent them from LA 415 north to US-190 while crews cleared the bridge, a reroute that shifted heavy trucks off the span and tacked on a hefty chunk of travel time for anyone headed toward Lafayette.
What Drivers Should Expect
KATC reported that wrecker services and cleanup crews converged on the bridge, and later, parts of the right lane were reopened, even as long backups lingered. Officials urged drivers to move slowly and stay alert, since emergency personnel and heavy equipment were still working on the narrow stretch.
Why This Stretch Is So Vulnerable
The Atchafalaya Basin Bridge is a long, exposed run of interstate where a single crash or truck incident can shut everything down, and full closures with lengthy detours are not uncommon. Previous wrecks along the corridor have triggered hours-long jams that ripple across the region, as WAFB has reported. The Louisiana Department of Transportation and Development’s 511 system remains the official go-to for real-time closure and detour details.
For live updates, drivers can call 511, check the 511LA website or mobile app, and follow the Louisiana State Police Facebook page for fresh photos and advisories. Officials have asked motorists to steer clear of the area when possible until crews finish removing the wreckage and the bridge is fully cleared.
