On-System Bridges, Tyler District, Van Zandt County, TX, TxDOT

IEA is the prime consultant responsible for the design of on-system bridge replacements at 3 locations - IH 20 at FM 859, IH 20 at FM 47, and IH 20 at FM 17.

IEA is designing all bridges with a single beam configuration and evaluating 4-span Tx34 beams with sloped abutments or a 2-span option with abutment walls placed outside the clear zone.