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Road Projects Around St. Luke’s Boise Advance 

September 21, 2018

Here are the latest updates on road construction around St. Luke's Boise:

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

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.

FitOne race day is Saturday, Sept. 22: Expect road closures and restrictions

While not related to the construction projects happening around the Boise campus, the FitOne 5K, 10K and Half Marathon take place on Saturday, Sept. 22, in the downtown Boise core, East Boise and Boise Bench areas. 

Expect road closures and restrictions from about 4 a.m. to noon Saturday in downtown Boise, around the Boise hospital campus, East Boise and the Bench. 

Here are specific road closures and restrictions. (find a map here):

  • 4 to 10 a.m.: No parking on Warm Springs Avenue from Avenue B to the Idaho Botanical Garden. Note that runners will be on Warm Springs Avenue from 7 to 9:30 a.m.
  • 6 to 8 a.m.: West Idaho Street closed from Capitol Boulevard to North Avenue B.
  • 6 to 9 a.m.: East Warm Springs Avenue from Broadway Avenue/Avenue B to Starview Drive will be reduced to one lane with traffic allowed to go eastbound only. Westbound traffic will be detoured using ParkCenter Boulevard to continue west to downtown.
  • 7 to 10:30 a.m.: Downtown section closed (West Front Street to West State Street and South 6th Street to South 9th Street).
  • 7 a.m. to noon: South Americana Boulevard from West Shoreline Drive to West Emerald at South Roosevelt Street and Latah at Morris Hill Road will be reduced to two lanes.
  • From 7:30 a.m. until the final participant passes by at about 11 a.m.: South Capitol Boulevard and Crescent Rim Drive closed.
  • 7:30 to 9:15 a.m.: Marden Street will be reduced will be reduced to one lane.
  • 7:30 to 10 a.m.: River Run Drive from East ParkCenter Boulevard to the Cottonwood Apartments will be reduced to one lane.
  • 7:30 to 11 a.m.: South 9th Street from West River Street to University Drive closed.
  • 9:15 to 10 a.m.: South Capitol Boulevard from West Front Street to West River Street closed.

About 11,000 runners and walkers will lace up their shoes for the cause this year. St. Luke’s FitOne has donated more than $438,000 over the past five years to St. Luke’s Children’s Hospital and other community programs targeting the health of Idaho children. FitOne expects to pass the $500,000 donation mark this year.

Thank you so much! We are grateful for the support, understanding and interest that the community has always shown FitOne.   

Main patient/visitor parking garage at the Boise hospital

  • Primary hospital access/parking for patients and visitors is from Avenue B to Bannock 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 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.
  • There is now additional physician parking in the lot at 148 E. Jefferson Street near St. Luke’s Central Plant. 
  • While the majority of the roadwork has been completed, there still are some smaller road projects underway as well as building construction happening around the Boise hospital. Drivers are urged to exercise caution and allow themselves extra time to park at the Boise hospital. 

Avenue B and the roundabout

  • Crews have wrapped up much of their work on Avenue B near the Boise hospital, making it possible for the Reserve Street Roundabout to be opened up to two lanes of traffic.
  • Drivers should still exercise caution in the area as final work on the cycle track winds down and work on the Idaho Elks Children's Pavilion continues near Jefferson Street and Avenue B.

Expect overnight delays/detours west and north of the hospital as houses are relocated

  • Crews will be moving homes primarily from the block of State, 1st, Jefferson and 2nd streets. 
  • ACHD requires much of this work to take place overnight. Please be aware you may experience delays or detours as crews relocate these homes.
  • Several move dates will be required. We likely will not know the exact dates in advance. 
  • Read more details here. 

Avenue C closed 

  • 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 northbound 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.

Be prepared for delays

Hospital visitors, patients, physicians and staff should add a few extra minutes to their trip in order navigate the construction zones. 


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 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.