 The route on the east side of Pecan Island was shortened slightly by following the back ridge rather than the established road along the front ridge.The last section of gravel road, located between Grand Chenier and Pecan Island, was hard surfaced around 1967.The last ferry service on the Vermilion Parish portion of the highway was discontinued when a bridge was completed across the Schooner Bayou Canal (or Old Intracoastal Waterway) in 1965.