1-84 Heyburn Poly
June 27, 2025
This project involves the replacement of I-84 structures over the Eastern Idaho Railroad, US-30, and SH-24. In addition to the bridge replacements, the project includes the construction of a new partial-offset diamond interchange with an overcrossing bridge at milepost 211.
The scope also includes the reconstruction and realignment of associated ramps, along with installation of new signing, striping, drainage systems, and seeding to complete the interchange improvements. All work is to be performed in accordance with project specifications and safety standards.