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Highway 99 closure in Sacramento: What you need to know before you hit the road

"Probably one of the biggest closures that we’ve had in the department and in the Sacramento region," a Caltrans spokesperson previously told ABC10.

SACRAMENTO, Calif. — 9:50 p.m. update:

While on and off-ramps on Highway 99 in Sacramento are closed, the highway will allow "stragglers" to commute on the highway until 12 a.m., according to Caltrans.  

In a tweet Friday, Caltrans said ramps are closed and northbound and southbound Highway 99 will be closed soon.

Original Story:

Sacramento-area commuters beware, a portion of Highway 99 is shutting down. 

The closure will last for four days, or 99 hours, and is scheduled to go into effect at 8 p.m., Friday, June 11 and last until 4 a.m. Wednesday, June 16. The multi-day closure of a portion of SR-99, also known as Hwy. 99, will start at Hwy. 99 from 47th Avenue and run to the US-50 connector, also known as Hwy. 50, in Sacramento. CHP says drivers can use Interstate 5 or Sacramento Regional Transit's (SacRT) light rail service, which will be offered for free during the multi-day closure.

RELATED: 'It's going to effect everyone' | Business owners worry about looming Highway 99 closure

Why is the project happening now?

"The closure is necessary for crews to safely replace the bridge deck on SR-99 at 21st Avenue," CHP South Sacramento said on Facebook. "Caltrans is taking preventative measures to fix California's aging infrastructure, including extending the service life of this 62-year-old bridge."

“This is actually a historic moment for Caltrans," Angela DaPrato, Spokesperson for Caltrans, said. "Probably one of the biggest closures that we’ve had in the department and in the Sacramento region."

RELATED: Highway work puts the squeeze on Sacramento drivers

Credit: Courtesy: Caltrans
A map of the 99 hour closure of Hwy. 99 in Sacramento.

What's closed to drivers?

Crews are closing the main westbound Business 80/Capital City Freeway to southbound Hwy. 99 and the westbound and eastbound Hwy. 50 connector ramps to southbound Hwy. 99. 

According to CHP, the following ramps will be closed:

  • The on-ramp from 16th Street to eastbound Hwy. 50
  • The on-ramp from 29th Street/H Street to westbound Business 80/Capital City Freeway
  • The on-ramp from 29th Street/N Street to westbound Business 80/Capital City Freeway
  • The on-ramp from 29th Street/T Street to southbound Hwy. 99
  • The on-ramp from Broadway to southbound Hwy. 99
  • The off-ramp from southbound Hwy. 99 to 12th Street
  • The off-ramp from northbound Hwy. 99 to 12th Street
  • The on-ramp from 14th Avenue/30th Street to southbound Hwy. 99
  • The on-ramp (slip) from Fruitridge Road to northbound Hwy. 99
  • The on-ramp (loop) from Fruitridge Road to northbound Hwy. 99
  • The on-ramp (slip) from East 47th Avenue to northbound Hwy. 99
  • The on-ramp (loop) from West 47th Avenue to northbound Hwy. 99

RELATED: Need to know | Why a portion of Highway 99 will be closed and alternative routes to take

What route should I take instead? 

Drivers are encouraged to use I-5 and avoid Hwy. 99 or free light rail service offered through SacRT during the multi-day closure. Other alternate routes drivers are encouraged to consider include:

  • Traveling north from San Joaquin County (Stockton and Lodi) to Sacramento
    • Use SR-4/Crosstown Freeway to northbound I-5 or
    • Use SR-12 to northbound I-5.
  • Traveling south from Sacramento to San Joaquin County
    • Use southbound I-5.
  • Traveling north from Lodi or Galt to Sacramento
    • Use SR-104/Twin Cities Road to northbound I-5.
  • Traveling north from Wilton or Elk Grove to Sacramento
    • Elk Grove Boulevard to northbound I-5 or
    • Laguna Boulevard/Bond Road to northbound I-5 or
    • Cosumnes River Boulevard/Calvin Road to northbound I-5.
  • Traveling south from Sacramento to Elk Grove, Wilton or Galt
    • Use southbound I-5.
  • Traveling north from Florin or South Sacramento to Downtown/Midtown Sacramento
    • Stockton Boulevard/Mack Road to northbound I-5 or
    • Florin Road to northbound I-5 or
    • 47th Avenue to northbound I-5.
  • Traveling south from westbound Business 80 (North Sacramento area or Cal Expo) towards San Joaquin County
    • Use westbound Hwy. 50 to southbound I-5.
  • Traveling east from Davis or West Sacramento towards San Joaquin County
    • Use eastbound Hwy. 50 to southbound I-5.
  • Traveling south from Airport, Natomas or westbound I-80 towards San Joaquin County
    • Use southbound I-5.
  • Traveling west from El Dorado, Folsom or Rancho Cordova towards San Joaquin County
    • Use westbound Hwy. 50 to southbound I-5.

CHP asks drivers to please plan ahead and to expect delays.

Watch more from ABC10

Sacramento businesses say Highway 99 closure will be an issue for them