
West
U.S. 90 continues west into the Bay St. Louis city limits across the St. Louis Bay Bridge.
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Beach Boulevard runs along the Mississippi Sound and St. Louis Bay shoreline in Bay St. Louis and Waveland. The scenic route is also unsigned MS 606.
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2nd Street leads south from U.S. 90 to Downtown Bay St. Louis.
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Distance sign posted west of Ulman Avenue.
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The U.S. 90 reassurance marker posted west of Turner Street was removed by 2025.
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The span wire array of traffic lights at Bouslog Street were replaced with mast-arm assemblies by 2019.
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U.S. 90 fully enters the city of Waveland west at Arnold Street.
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The guide sign referencing Clermont Harbor and Lakeshore for Lower Bay Road south from U.S. 90 was removed by 2016.
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Prior to 2012, U.S. 90 turned southwest from the beginning of MS 607 at an angled intersection.
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Previous guide signs at U.S. 90 and MS 607 referenced New Orleans and NASA for the state highway west.
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U.S. 90 was realigned to separate from MS 607 west at an intersection with a 90-degree angle. The former roadway was demolished by 2013.
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The old right of way for U.S. 90 south from MS 607.
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The four lane highway along U.S. 90 extends another 8.81 miles northwest to Interstate 10 as Mississippi Highway 607.
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U.S. 90 angles southwest from MS 607 to Pearlington.
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MS 607 west connects with Interstate 10 at Exit 2 south of John C. Stennis Space Center.
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No confirming marker for U.S. 90 is posted leading away from MS 607.
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Unlike previously when U.S. 90 was properly signed west from MS 607.
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Passing west of Lower Devils Swamp, U.S. 90 bee lines southwest from MS 607 to Pearlington.
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An abandoned weigh station lines the north side of U.S. 90 ahead of Lower Bay Road.
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The loop of Lower Bay Road west from Waveland serves Port Bienville Industrial Park.
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This bridge spanning Whites Bayou on U.S. 90 west was replaced by 2010.
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This bridge on U.S. 90 crossing Cowan Bayou was also replaced by 2010.
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U.S. 90 meets the west end of MS 604 at the community of Pearlington.
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Measuring 5.11 miles in length, MS 604 provides a cut off from U.S. 90 northeast to MS 607.
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The confirming marker for U.S. 90 west of MS 604 was gone by 2011.
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U.S. 90 crosses the East Pearl River west into Louisiana.
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Page Updated Wednesday February 18, 2026.