Specifications include, but are not limited to: This project includes the total removal and replacement of existing structure #066-3041 carrying County Highway 16 – FAS 215 over Snake Creek in Abington Township, Mercer County, Illinois. This project completely removes the existing single span, steel beam and reinforced concrete deck bridge, as well as the timber stub abutments founded on timber piles with timber lagging. The replacement structure is a new triple barrel, reinforced cast-in-place concrete box culvert with castin-place concrete wing walls. The wing walls will be of the horizontal cantilever and two-way L type. The work for this project also includes the construction of 1,000 linear feet of roadway construction which consists of a hot-mix asphalt pavement on aggregate sub-base. Pertinent roadway construction items include aggregate shoulders, culvert removal and relocation, guardrail removal, and site grading. Erosion control practices must be implemented and maintained throughout the construction process and permanent erosion control measures shall be in place upon project completion.