H.015603 – I-10 & LA 641 – St. James Parish
Monday, June 22, 2026 at 9:52:00 PM
Construction is underway for State Project H.015603, LA 641: Bridge Over I-10. This project is 0.300 miles in St. James Parish. The type of work includes structural concrete girder patching, carbon fiber reinforced polymer girder repairs, and related work at a cost of $99,331.00.
The Louisiana Department of Transportation and Development is notifying motorists of this active construction zone on LA 641 and I-10 within St. James Parish. Beginning Monday night, July 6th, 2026, repairs on bridge girders will be underway on the LA641 bridge over I-10. Westbound I-10 at LA 641 will have a full closure from 8:00PM to 5:00AM Monday - Friday nights; traffic will be diverted around the closure utilizing the LA 641 off and on ramps. Additionally, LA 641 northbound and southbound will be closed between both I-10 ramps during these times. These closures are scheduled nightly through Friday, August 7th, 2026.
Motorists should utilize the following detours:
I-10 Westbound: Traffic will be diverted at the Exit 194 off ramp and back onto the I-10 on ramp to by-pass the work zone. No left turn onto LA 641 will be allowed during this closure. Motorist needing to access LA 641 from I-10 Westbound should use Exit 206 in Laplace. Take LA 3188 to US 61. Take a right onto US 61 Northbound and continue to LA 641. Take a right onto LA 641 to complete the detour.
LA 641 Northbound: Motorists will be unable to access I-10 Westbound from LA 641. Motorist however will be able to access I-10 Eastbound from LA 641 Northbound. Motorist needing to access I-10 Westbound from LA 641 should continue on US 61 Northbound from the LA 641/US 61 intersection. At the US 61 and I-10 interchange, motorists should exit US 61 at the I-10 (to Baton Rouge) Exit.
These lane closures are required to repair the damaged LA 641 bridge over I-10 Westbound in St. James Parish.
DOTD appreciates your patience and reminds you to please drive with caution through the construction site and be on the lookout for work crews and their equipment.
Ryan White, P.E.
Project Engineer ~ District 61
Office (225) 675-5320
Or
Mary E. Flynn, P.E.
Project Engineer ~ Michael Baker International
Office (850)570-8969
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