An extension occurred during the early 2000s that added the east–west segment, when US 24 was moved to its modern route in the area.

The road heads east-northeast as a two-lane highway passing through farmland, before entering the town of Lagro.

SR 524 enters town and turns towards the south, before crossing a Norfolk Southern railroad tracks.

South of the tracks the road passes through the main section of Lagro, concurrent with Davis Street.

In Wabash County the road continues towards the south passing through farmland, before a short distance of paralleling the Salamonie River.