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The project is located adjacent to Fayetteville in southeastern St. Clair County. The village of Fayetteville sits just west of the Kaskaskia River with an approximate population of 400. The aerial map below illustrates the proximity of the village to the Kaskaskia River.
IDOT’S Three-Phase Project Development Process
Phase I: Current Phase of the Project
The Illinois 4/15 Kaskaskia River Bridge Study is currently in Phase I, and there is an approximate 36-month schedule for the Phase I work. Proposed highway improvements are typically processed in three phases. In Phase I (preliminary engineering phase), proposed geometry, environmental concerns, and right-of-way requirements are defined. During Phase II, contract plans are prepared, and the necessary right-of-way is acquired. Phase III represents the actual construction of the improvement.
Phase I: Preliminary Design & Environmental Study
IDOT and its engineering consultant team will inventory existing conditions, such as traffic data and crash history, and will identify and document environmental constraints as the project moves forward. The Project Study Group, with input from the public, will also develop and refine improvement alternatives. The result of the study will be a design for a new bridge that addresses identified transportation issues and serves the area’s future needs. Public involvement will take place throughout the project development.
Crash History
A full crash analysis will be completed for the project. Measures to reduce crashes will be evaluated and included in the overall project design.
