Lake Pontchartrain Causeway Safety Bays CMAR Project

About this Project

The Greater New Orleans Expressway Commission (GNOEC) sought to improve the safety of the 23.83 mile Lake Pontchartrain Causeway Bridges by adding shoulders and emergency pullover areas on both spans.

 The GNOEC chose a Construction Management at Risk (CMAR) delivery method for a solution to meet their stated goals of:

  • Increased emergency stopping areas
  • Cost effective solution
  • Least Impact to Commuters

 Boh Bros.’ experience in the CMAR process facilitated concurrent design and construction of twelve (12) – 1,008-foot-long pullover lanes comprised of precast components which were fabricated offsite and subsequently transported and installed from the water, thereby drastically minimizing work zones on the bridge and traffic impacts.

Twelve (12) – 1,008-foot-long by 16-foot-wide safety shoulders, comprised of:

  • 192 – 54” diameter Precast concrete spun cast cylinder piles, varying from 54’ – 104’ long
  • 192 – Precast concrete caps, varying from 11’-15’ in length, 4.67’ wide, 3.58’ depth
  • 216 – Type III Girders, 53’–8” long
  • 144 – Type IV Girders, 83’-11” long
  • 180 – Precast deck sections complete with barrier rails

 

 

  • Date: 2019

  • Client: GREATER NEW ORLEANS EXPRESSWAY COMMISSION

  • Project Type: marine Construction

Lake pontchartrain causeway bridge Project Gallery

Check out our Images from the Lake Pontchartrain Causeway Bridge Project.

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Contact Us

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730 S. Tonti Street, New Orleans, LA

504.821.2400

Contact@bohbros.com