THE BIG DIAPER

THE PINEDA EXPRESSWAY, A CONNECTING ARTERY BETWEEN TWO FLORIDA PRIMARY HIGHWAYS, SPANS TWO RIVERS OVER A MILE WIDE AT THE POINT OF CROSSING. THE SILT CONTENT OF THE DREDGED MATERIAL HAS RESULTED IN SUBSTANTIAL DOWNSTREAM POLLUTION, AND AT ONE TIME THE STATE POLLUTION CONTROL BOARD ORDERED WORK STOPPED. A SILT BARRIER NICKNAMED "THE BIG DIAPER" WAS DESIGNED TO CONTROL THE PROBLEM. DIFFICULTIES ENCOUNTERED IN EARLY EXPERIMENTS WITH THE BARRIER ARE DESCRIBED, TOGETHER WITH THE MEANS DEVISED FOR SOLVING THEM. SILT DEPOSITS AND TURBIDITY HAVE BEEN CONTROLLED TO WITHIN STATE TOLERANCES. THE BARRIER, WHICH COST $2,000. TO CONSTRUCT, OBVIATED AN ADDITIONAL BRIDGE AT A COST OF $3.5 MILLION.

• Supplemental Notes:
  • pp 4 & 15, 1 FIG, 3 PHOT
• Authors:
  • Ekey, P W
• Publication Date: 1970-10

Media Info

• Serial:
  • American Highways
  • Publisher: American Highway Users Alliance

Subject/Index Terms

• TRT Terms: Barriers (Roads); Bridges; Construction; Road construction; Silts; Water pollution
• Uncontrolled Terms: Barriers
• Subject Areas: Bridges and other structures; Construction; Highways;

Filing Info

• Accession Number: 00215375
• Record Type: Publication
• Files: TRIS
• Created Date: May 3 1971 12:00AM