Material Calculators


Recent Projects

Hwy 67 Bridge Pour

Bill Emerson Memorial Bridge

Harrisburg Bypass Bridge

Bridge Work on Illinois Route 37 and Interstate 57 Southern Illinois Asphalt Company (SIAC) completed work on the Illinois Route 37 and Interstate 57 Bridge. Phase 1 of the project consisted of building the new bridge where North-bound and South-bound lanes of I-57 are currently running. Phase 2 is underway and in which the old bridge has been removed and SIAC is working on constructing the center piers of the bridge. Completion of this project is expected by the end of September 2013. Read More