Projects |

Riverton Road Bridge Replacement

The Idaho Transportation Department is replacing the Riverton Road Bridge over Interstate 15 (I-15) near Blackfoot. Construction is expected to be completed in late 2026.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  In Construction
I-15 US-20 Connector

An Environmental Impact Statement is now being completed that will allow ITD and cooperating agencies to greatly improve safety and mobility for I-15 traffic accessing US-20 in the Idaho Falls area.
- Project Regions
  East Idaho
- Project Routes
  Interstate 15 US-20
- Project Phase
  Planning & Design
COMPLETED: I-15 Rose to Lava Rocks Repaving

The Idaho Transportation rehabilitated the pavement on I-15 north of Blackfoot.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  Complete
I-15 US-26/Blackfoot Interchange (Exit 93)

This project will modernize aging infrastructure to enhance safety for motorists, improve interchange operations and increase interstate capacity.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15 US-26
- Project Phase
  Planning & Design
I-15 Exit 89 to Exit 93 Widening

The Idaho Transportation Department is developing plans to widen I-15 to three lanes in each direction near Blackfoot.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  Planning & Design
I-15 South Blackfoot Interchange (Exit 89)

The new interchange design will prioritize safety, operations and capacity to meet eastern Idaho's growing transportation needs. The design of this interchange is anticipated to be completed in 2026.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  Planning & Design
I-15 Northgate to Blackfoot Widening

The Idaho Transportation Department is widening Interstate 15 to three lanes in each direction between the Northgate and Fort Hall interchanges.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  In Construction
I-15 Inkom Corridor

ITD is rebuilding I-15 structures at three locations in and near Inkom.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15
- Project Phase
  In Construction
COMPLETE: I-86 and I-15 System Interchange

The Idaho Transportation Department improved the I-86/I-15 System Interchange in the Pocatello/Chubbuck metropolitan area.
- Project Regions
  Southeast Idaho
- Project Routes
  Interstate 15 Interstate 86
- Project Phase
  Complete