Built under Earl K. Long, bridge opens for traffic.


Ethylene Dichloride spill (Condea Vista) near bridge location.


Feasibility study and environmental assessment (PPG Drive to U.S. 90 East).


Congressman Charles Boustany hosts briefing to discuss Louisiana highway issues, including I-10 Calcasieu bridge; LADOTD deems bridge “is safe” despite structural evaluation rating of a 3 by the National Bridge Inventory; spill area under bridge may need remediation—environmental review necessary.


Pins on 48 girders replaced under bridge to help make bridge sturdier; Dec.-Jan. bridge closed to all traffic due to construction. 


Huval & Associates conduct repair and rehabilitation including improvements to the bridge structure; DOTD approves pilot program to install lights on I-10 bridge. 


August: environmental study to end in Spring 2016 — Now delayed to mid 2017 due to delay of Navigational Use Study.


Sept: State transportation officials solicit input from area citizens.


Oct: DOTD to conduct environmental study and take public input; LADOTD holds “public scoping meeting.”


Navigational Use Study submitted to LDOTD — 9/2014; Determined 60 foot vertical clearance would serve all vessels except Friendships vessels. LDOTD committed to 73’ clearance which is shallow-draft standard on the Gulf Intracoastal waterway and other shallow-draft waterways.


May: LADOTD announces bids will be taken within 6-10 months to fund rehabilitation of bridge.


Sept: Barrier alerts installed on median of bridge to help improve visibility.


Completion of environmental study phase.