ANALYSIS AND ASSESSMENT OF CULVERTS DISCHARGES ON THE PHYSICAL ENVIRONMENT: - A CASE STUDY OF OMU-ARAN EXPRESS-WAY TO OKE-ONIGBIN TOWN IN IREPODUN LOCAL GOVERNMENT AREA OF KWARA STATE

Abstract

The express-way from Omu-Aran to Oke-Onigbin town is expressing a very high rate of soil erosion due to several causes. Most of the causes are of anthropogenic in origin; and one of this origin is the undertaking of expansion and improvement of the express-way infrastructure to which the two towns are subjected to. The principal objective of this study is to access the magnitude of the eroding effect of discharges from the express highway culverts between the two towns; with the formation of wide and deep gullies along the express-way. The study also assessed natural streams and longitudinal drains, and drowned final conclusion.