St. Louis Bay Bridge

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St. Louis Bay Bridge
Coordinates 30°19′04″N 89°18′15″W / 30.317692°N 89.304256°W / 30.317692; -89.304256Coordinates: 30°19′04″N 89°18′15″W / 30.317692°N 89.304256°W / 30.317692; -89.304256
Carries 4 lanes of US 90
Crosses St. Louis Bay
Locale Bay St. Louis and Pass Christian, Mississippi
Maintained by MDOT
Opened May 17, 2007

The St. Louis Bay Bridge is a bridge in the U.S. state of Mississippi which carries U.S. Route 90 over Bay of Saint Louis between Bay St. Louis and Pass Christian. The original bridge was heavily damaged by Hurricane Katrina in August 2005. The bridge's deck and railroad tracks were ruined, but the piers withstood the storm surge and winds and provided a base for a new concrete deck.[1] The new bridge opened to traffic on May 17, 2007. The span carries 4 lanes of traffic as well as a 12-foot (3.7 m) path for pedestrians and bicyclists on the Gulf side of the bridge.


  1. ^ Reginald DesRoches, PhD, ed. (2007). Hurricane Katrina: Performance of Transportation Systems. Reston, VA: ASCE, TCLEE. ISBN 9780784408797.