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Road Projects Around St. Luke’s Boise Advance 

May 21, 2018

St. Luke’s patients and staff, along with drivers and pedestrians in the Fort Boise area, will see construction activity stretching around the downtown Boise hospital campus.

Here are the latest updates:

The final phase of road improvement work is underway around St. Luke's Medical Center in downtown Boise. 

Roadwork will be complete this summer -- several months ahead of schedule. 

Road-construction crews have made significant progress on the major transportation and utility improvements around the hospital. 

Aging water, sanitary sewer and storm sewer pipes serving the hospital and surrounding neighborhoods have been replaced, and work is finishing up on road improvements and construction of the cycle track. 

The transportation projects are being done in partnership with ACHD and the City of Boise.

Transportation Improvements - Map

Here are the latest developments:

Main patient/visitor parking garage in Boise 

  • A new project starts on Bannock Street in front of the Boise hospital and the Emergency Department on Tuesday, May 22. This will include overnight work on Tuesday, May 22, and Wednesday, May 23. We expect this project should take several weeks. 
  • To park at the Boise hospital, patients and visitors should use Idaho Street for access. 
  • Emergency access is still available on Bannock Street via Avenue B. 
  • All traffic exits the patient/visitor parking garage from Idaho Street.
  • Note that the vehicle height limit for the patient/visitor parking garage is 7 feet, and delivery trucks and other vendors should not be servicing St. Luke’s via Idaho and Bannock streets at the front of the hospital. Instead, delivery trucks and vendors should access the Central Plant from 1st Street off Jefferson, using the alley and exiting through the alley and parking lot to Jefferson Street.
  • Note that because of this roadwork, some of the parking along Avenue A will be unavailable at certain phases of the project. Additionally, some physician parking is being relocated to Jefferson Street near the St. Luke’s Central Plant. 

State Street between 1st Street and 2rd Street

  • State Street between 1st Street and 2rd Street is open to westbound traffic only. 
  • Eastbound traffic should use Main Street. 
  • Eastbound travel is allowed only for business access on State Street between 1st and 2nd streets. 
  • Expect road work and intermittent flagging in the intersection of Fort and State streets as crews continue work in that area. 

1st Street closure

  • 1st Street also is closed between Jefferson and State streets for roadwork as well as to improve traffic flow. The closure allows traffic to move much more efficiently along the State Street/Fort Street corridor as cars aren't exiting and entering 1st Street. 
  • Business access to Family Medicine Residency of Idaho (FMRI) and to the St. Luke's Central Plant is through the alley off of 1st Street near Jefferson. Delivery trucks and vendors should access the Central Plant from 1st Street off Jefferson, using the alley and exiting through the alley to Jefferson Street.

2nd Street between Bannock and Jefferson Street

  • Expect intermittent traffic flagging and delays on 2nd Street between Bannock and Jefferson street as crews are completing road striping and other work in the area. 

Avenue C closed through 2018

  • Avenue C between Jefferson and Bannock streets is closed so that construction can proceed on the Idaho Elk's Children Pavilion. 
  • Jefferson Street between Avenue B and Avenue C is open.

Pedestrian access

  • Pedestrians should be on the lookout for construction signage detailing the latest detours as they navigate the downtown campus and the areas around St. Luke's Rehabilitation. 

St. Luke’s Health System, in conjunction with ACHD and the City of Boise, started road construction in the summer of 2017 around St. Luke's downtown Boise hospital. This work is in preparation for the development project that will modernize the Boise hospital in order to improve access and care, while providing improved transportation flow. 

The first phase of work centered on improvements to public roads and infrastructure in a 12-block area around the hospital. The goal is to better link the area with Boise’s downtown urban core. 

Major aspects of this phase include:

  • Construction of the new roundabout at the intersection of East Fort and Reserve streets.
  • Construction of a dedicated cycle track around the St. Luke’s perimeter.
  • Realignment and improvements on the intersection of 1st, Fort and State streets.
  • Creating a dedicated right turn from north-bound Avenue B on to East Jefferson.
  • Installing bigger sidewalks and bike lanes around the campus perimeter where space allows.

Old and New Routes

Map showing the detail area/scope of the project

Drivers are also encouraged to reduce speeds in the hospital area because of the activity. Construction crews urge travelers to please be attentive while driving through the project area as conditions change regularly.  Drivers are reminded that they present an additional hazard to work crews. 

They’re urged to do their part to create a safe work environment to the men and women working to improve area roads.  Travelers are also encouraged to add a few extra minutes to their commutes or find alternative and detour routes to avoid delays.

Improvements along the perimeter of the campus include constructing the cycle track, curbs, gutters and sidewalks.


Hospital visitors, patients, physicians and staff that use the South Tower parking garage should add a few extra minutes to their trip because of construction delays.


For patients receiving care at MSTI, please note the drop-off area will remain accessible. If other instructions are necessary, signs will be posted to help guide drivers.

Tree removal

Due to the sidewalk and cycle track improvements and as considered at public hearings, trees in this area were removed. St. Luke’s is contractually obligated to replace removed trees using the city forester’s valuation and ACHD right-of-way rules. The tree removal is the result of three specific transportation projects the City of Boise, ACHD and the community requested of St. Luke’s:

  • Increased intersection capacity.
  • City Modal Elements: the cycle track and other amenities requested by the city.
  • Fort Boise Master Plan – Reserve and Fort / Fort and Robbins roundabouts.

St. Luke’s is working closely with the city forester to plant 90 new trees in the cycle track median, in exchange for the 64 removed. St. Luke’s will ensure sensitive and appropriate choices are made for the restoration of the tree canopy throughout this portion of the plan. St. Luke’s intends to plant trees that are more valuable than required under city code and has agreed to incur this expense, even though the work requiring the majority of removals is directed by the three-party agreement.  

Proposed rendering of the cycle track and median showing the replacement trees six to eight years after planting.

Proposed Rendering of the new downtown Boise St. campus.

Main Boise campus

The work is part of St. Luke’s Master Plan for its Boise campus and is the result of years of extensive study, planning and collaboration with key stakeholders, including the City of Boise, the Ada County Highway District and area residents. The thorough process included dozens of workshops, open houses and neighborhood association meetings, which helped to shape and evolve the plan through thoughtful input.

This is not a “single project,” but a multi-phased plan that will occur in stages over the years to come. At its core is our commitment to create an environment in which we can provide the best possible care for patients and families, in an environment geared toward safety, healing and comfort, explained Dave McFadyen, St. Luke's Boise administrator.

“We are happy this is finally moving forward because this development allows us to better meet the needs of our patients by providing modern, advanced care in a more user-friendly setting,” said McFadyen.  “While this development does add capacity, it's less about growth and more about re-configuring our campus.  It will be easier to navigate and find your doctor.  There’s more room to care for our growing, aging community struggling with more complex chronic health problems.  Our physicians will be right there ready to help in an emergency rather than a few blocks away, and our facility will be upgraded in a way that it flows better, saving precious minutes in emergencies, when time truly matters.”


  • New Children’s Pavilion (under construction)
  • New central plant
  • New parking structure
  • New hospital tower
  • Expand and modernize St. Luke’s MSTI cancer center
  • Expand and modernize St. Luke’s Children’s Hospital
  • Expand and upgrade the current hospital tower

Together, the project will be one of the largest investments ever made in Boise and Idaho. It will bring new jobs to the region while building on Boise’s growing reputation as one of the most livable cities in the country with the high-quality health care that is a critical component of quality of life. The project will be financed through bonds, cash on hand and community philanthropy. This major development project is estimated to bring as much as $1.2 billion of rollover economic benefit and job growth to the community.

Proposed Rendering

Rendering of the new St. Luke's Boise Hospital entrance at 1st and Fort Streets.