Location: US-90 and US-190, St. Tammany Psh Reassurance shield after the US 190 junction. Location: US-90 and Honey Island Marina Rd, St. Tammany Psh Shortly thereafter we’ll cross into the Magnolia State. US 90 continues its trek as a surface road between I-10 and the Gulf for its short journey across southern Mississippi.  E to … Continue reading U.S. Route 90, US-190 to MS State Line