Langley Covered Bridge is the longest remaining wooden covered bridge in the U.S. state of Michigan. It is located in Lockport Township, three miles north of Centreville, the seat of St. Joseph County. The road to get to the bridge borders on the east line of Lockport and Nottawa townships. The bridge crosses the St. Joseph River. The current bridge and causeway opened in 1887. The bridge and causeway make up Covered Bridge Road.