The bridge plays an important role in storm evacuation and in industrial development along the Mississippi.

While the only bridge across the Mississippi between New Orleans and Baton Rouge when it opened for traffic in 1964, its south end then emptied into a swamp, and for years it awaited funding to connect it to LA 70 and other roads.

When this occurred, the economy in this area grew by leaps and bounds, largely due to the improved transportation.

[2] Much of the criticism involved residual resentment from the bridge being named to recognize Governor Jimmie Davis.

[8] Due to extensive damage done to a main load carrying span,[9] the Sunshine Bridge was immediately closed to all vehicle traffic for emergency repairs.