Gerard Nicholas Richard, 41, was found dead in the middle of the bridge around 7 p.m. Thursday, Feb. 13. Detectives believe that his girlfriend’s teenage son was responsible for his death.

- Horace Wilkinson Bridge (I-10), Baton Rouge, 1968 - Israel LaFleur Bridge (I-210), Lake Charles, 1964 All eight bridges were built prior to the establishment of industry guidelines in 1991.