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SR 80 (Southern Blvd) Bridge Replacement Project

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Construction Updates

December 1 to December 30, 2021

Project Progress: 97% of time elapsed

Major Activities

  • Installing riprap and bedding stone in the waterway around the tide relief bridge
  • Installing curb and road base east of the tide relief bridge
  • Working on the bridge tender house
  • Installing columns and balustrades on the bascule bridge main piers
  • Installing railing on the bascule bridge eastern approach
  • Painting the bascule bridge
  • Installing electrical equipment for the bascule bridge
  • Installing handrail and fencing on Bingham Island


  • The south sidewalk on Southern Boulevard, from Washington Road to Flagler Drive, is closed until further notice.
  • Flagler Drive from Southern Boulevard to Worth Court North is closed until further notice as the roadway is reconstructed. Access will be maintained for local traffic only. Sidewalks also will be closed. Traffic will be detoured as follows:
    • Traffic going north on Flagler Drive should: Go west on Worth Court North to Washington Road; go north on Washington Road to Southern Boulevard; go east on Southern Boulevard to Flagler Drive.
    • Traffic going south on Flagler Drive should: Go west on Southern Boulevard to Washington Road; go south on Washington Road to Worth Court North; go east on Worth Court North to Flagler Drive.

Marine Restrictions:

The navigable Intracoastal Waterway (ICCW) through the Southern Boulevard Bridge is restricted to half the channel. Full channel openings will not occur. During half-channel closures, the horizontal clearance through the bridge is 40 feet. The schedule of channel restrictions is published in the U.S. Coast Guard’s Local Notice to Mariners at www.navcen.uscg.gov. The Southern Boulevard Bridge opens for marine traffic twice per hour at 15 minutes and 45 minutes past the hour.