The JFK or Kennedy Causeway was opened in 1950 as the Padre Island Causeway but was renamed in the 1960's to honor the assassinated President.
The areas along the JFK Causeway can be good for trout from late spring to early fall. Try the edges of the channels that run parallel to the causeway.
A history of fishing reports for the JFK Causeway. Maybe you can find a seasonal pattern or a bait or technique that has worked in the past.
Apr-03-02 . Trout and redfish are fair to good in the Pure Oil Channel and the JFK Causeway on live shrimp under a popping cork.