Road Information

Interstate 90 in Idaho    
Total Mileage in State: 74 miles
Eastern End: At Montana state line
Western End: At Washington state line
Mileage covered in Photos: 74 miles
Counties covered in Photos: Shoshone, Kootenai
Major Junctions in Photos: US 95, in Coeur d'Alene
Control Cities in Photos: Wallace, Kellogg, Coeur d'Alene, Post Falls

Westbound

Sections:
  • Section 1: Montana Border to Kellogg (Exit 51)
  • Section 2: Kellogg (Exit 51) to Coeur d'Alene (Exit 15)
  • Section 3: Coeur d'Alene (Exit 15) to Washington Border

Section 1: Montana Border to Kellogg (Exit 51)

   

Idaho welcome sign as Interstate 90 West enters the Gem State from Montana at the summit of Lookout Pass. (Photo taken 5/25/16).

As this sign reads, Interstate 90 across the Idaho panhandle is also known as Captain John Mullan Highway. (Photo taken 5/25/16).

Interstate 90 West in Idaho begins in Shoshone County. (Photo taken 5/25/16).

View on Interstate 90 West as it begins to descend the west side of Lookout Pass. Due to the construction at the time, this cattle chute was what the westbound lanes of I-90 were reduced to. I hope no one's vehicle breaks down during this long single-lane stretch of construction, because there really isn't anywhere to go if it does. (Photo taken 5/25/16).

Another view on Interstate 90 West as it descends Lookout Pass. (Photo taken 5/25/16).

Interstate 90 West at mile marker 73. (Photo taken 5/25/16).

Historical Site turnout on Interstate 90 West as it goes down Lookout Pass. This is one of the few escapes from the cattle chute at the time if you have vehicle trouble. (Photo taken 5/25/16).

Interstate 90 West at mile marker 72. (Photo taken 5/25/16).

A Runaway Truck Ramp exists 1 mile ahead on the right as Interstate 90 West continues to descend the long downgrade of Lookout Pass. (Photo taken 5/25/16).

View on Interstate 90 West as it continues its descent. (Photo taken 5/25/16).

Interstate 90 West at mile marker 71. (Photo taken 5/25/16).

Runaway Truck Ramp on Interstate 90 West going down Lookout Pass. (Photo taken 5/25/16).

A second Runaway Truck Ramp exists on the right 1/2 mile ahead. (Photo taken 5/25/16).

A Chain Removal Area exists off Exit 69, 1 mile ahead. (Photo taken 5/25/16).

Interstate 90 West at mile marker 70. (Photo taken 5/25/16).

The second, and final, Runaway Truck Ramp on Interstate 90 West descending Lookout Pass. (Photo taken 5/25/16).

Interstate 90 West at Exit 69: Interstate 90 Business Loop - Mullan (Photo taken 5/25/16).

The speed limit on Interstate 90 West in Idaho starts out at 60 mph for all traffic. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 68, nearing the bottom of Lookout Pass. (Photo taken 5/25/16).

The speed limit remains 60 mph for all traffic. (Photo taken 5/25/16).

Mileage sign on Interstate 90 West. It's 6 miles to Wallace, 7 miles to Silverton, and 53 miles to Coeur d'Alene. (Photo taken 5/25/16).

Interstate 90 West at Exit 67: West Mullan / Morning District (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 67. We're almost to the bottom of Lookout Pass. (Photo taken 5/25/16).

Some 55 mph curves exist ahead. (Photo taken 5/25/16).

Interstate 90 West at Exit 65: Compressor District (Photo taken 5/25/16).

More 55 mph curves ahead, as Interstate 90 West continues down Lookout Pass at a much gentler slope than before. (Photo taken 5/25/16).

Interstate 90 West at Exit 64: Golconda District (Photo taken 5/25/16).

West of Exit 64, the speed limit increases to 65 mph for all traffic as Interstate 90 West begins to level out a little bit. (Photo taken 5/25/16).

While the downgrade might not be as steep as the previous miles, more curves still exist ahead. (Photo taken 5/25/16).

This sign shows the general layout of Interstate 90 Business Loop into Wallace Historic District in relation to Interstate 90 and Exits 62 & 61. (Photo taken 5/25/16).

View on Interstate 90 West as it continues its gentle descent with more 55 mph curves ahead. (Photo taken 5/25/16).

Interstate 90 West at Exit 62: Interstate 90 Business Loop / ID 4 - Wallace / Burke (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 62. (Photo taken 5/25/16).

Interstate 90 West reassurance shield. (Photo taken 5/25/16).

Interstate 90 West at Exit 61: Interstate 90 Business Loop - Wallace (Photo taken 5/25/16).

Another Interstate 90 West reassurance shield as it finally flattens out a bit. (Photo taken 5/25/16).

Interstate 90 West at Exit 60: Interstate 90 Business Loop - Silverton / Osburn (Photo taken 5/25/16).

Now that we've levelled out a bit in the valley, the speed limit for cars increases to 75 mph. The truck speed limit remains 65 mph. (Photo taken 5/25/16).

Mileage sign on Interstate 90 West. It's 2 miles to Osburn, 8 miles to Kellogg, and 44 miles to Coeur d'Alene. (Photo taken 5/25/16).

This sign clarifies exactly what trucks are restricted to the 65 mph truck speed limit. If your rig is 5 axles or more and/or over 26,000 lbs GVW (Gross Vehicle Weight), then you're bound by the 65 mph truck speed limit. (Photo taken 5/25/16).

Interstate 90 West at Exit 57: Interstate 90 Business Loop - Osburn (Photo taken 5/25/16).

Another Interstate 90 West reassurance shield. (Photo taken 5/25/16).

The speed limits remain 75 mph for cars and 65 mph for trucks. (Photo taken 5/25/16).

Another mileage sign on Interstate 90 West. It's 5 miles to Kellogg, 12 miles to Pinehurst, and 41 miles to Coeur d'Alene. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 55. (Photo taken 5/25/16).

This sign warns that the transportation of invasive species is prohibited in Idaho. (Photo taken 5/25/16).

Interstate 90 West at Exit 54: Big Creek (Photo taken 5/25/16).

Interstate 90 West reassurance shield. (Photo taken 5/25/16).

The speed limits remain 75 mph for cars and 65 mph for trucks. (Photo taken 5/25/16).

Take either of the next 2 exits to Kellogg. (Photo taken 5/25/16).

Take Exit 51 to Kellogg Historic District. (Photo taken 5/25/16).

Take Exit 49 to Silver Mountain Recreation Area. (Photo taken 5/25/16).

Interstate 90 West at Exit 51: Division St / Wardner (Photo taken 5/25/16).

Section 2: Kellogg (Exit 51) to Coeur d'Alene (Exit 15)

   

Interstate 90 West at Exit 49: Bunker Ave / Silver Mountain (Photo taken 5/25/16).

Another mileage sign on Interstate 90 West. It's 2 miles to Smelterville, 5 miles to Pinehurst, and 34 miles to Coeur d'Alene. (Photo taken 5/25/16).

Interstate 90 West at mile marker 49. (Photo taken 5/25/16).

Interstate 90 West at Exit 48: Smelterville (Photo taken 5/25/16).

Another mileage sign on Interstate 90 West. It's 2 miles to Pinehurst, 4 miles to Kingston, and 31 miles to Coeur d'Alene. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 46. (Photo taken 5/25/16).

Interstate 90 West at Exit 45: Pinehurst (Photo taken 5/25/16).

Interstate 90 West reassurance shield. (Photo taken 5/25/16).

Interstate 90 West will traverse a 5% downgrade 1 mile ahead, as this sign warns. (Photo taken 5/25/16).

Interstate 90 West at Exit 43: Kingston (Photo taken 5/25/16).

The speed limits remain 75 mph for cars and 65 mph for trucks. (Photo taken 5/25/16).

Another mileage sign on Interstate 90 West. It's 2 miles to Cataldo, 27 miles to Coeur d'Alene, and 61 miles to Spokane. (Photo taken 5/25/16).

ICP Users should take Exit 39. (Photo taken 5/25/16).

Also take Exit 39 to Cataldo Mission. (Photo taken 5/25/16).

Interstate 90 West at Exit 40: Cataldo (Photo taken 5/25/16).

Interstate 90 West as it enters Kootenai County. (Photo taken 5/25/16).

Interstate 90 West as it crosses the Coeur d'Alene River. (Photo taken 5/25/16).

Take Exit 39 to Cataldo Mission National Historic Landmark. (Photo taken 5/25/16).

Interstate 90 West at Exit 39: Old Mission State Park (Photo taken 5/25/16).

Mileage sign on Interstate 90 West. It's 4 miles to the junction of ID 3, 23 miles to Coeur d'Alene, and 57 miles to Spokane. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 38. (Photo taken 5/25/16).

Interstate 90 West at Exit 34: ID 3 - Rose Lake / Harrison / St Maries (Photo taken 5/25/16).

Another Interstate 90 West reassurance shield. (Photo taken 5/25/16).

All trucks over 26,000 GVW and livestock/Hazmat haulers must stop at the Weigh Station ahead when it's open. (Photo taken 5/25/16).

As Interstate 90 West nears what is known as 4th of July Pass, the speed limit decreases to 65 mph for all traffic. We're going to be doing a bit of climbing ahead. (Photo taken 5/25/16).

The Weigh Station ahead also serves as a Boat Check Station. Therefore, all watercraft must stop. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 33. (Photo taken 5/25/16).

This sign warns motorists to watch for ice in shaded areas for the next 8 miles, as Interstate 90 West gains elevation climbing 4th of July Pass. (Photo taken 5/25/16).

The Weigh Station / Boat Check Station ahead can also be used for Chaining Up. (Photo taken 5/25/16).

Weigh Station / Boat Check Station on Interstate 90 West in Kootenai County, to the east of 4th of July Pass. (Photo taken 5/25/16).

View on Interstate 90 West as it starts to climb 4th of July Pass. (Photo taken 5/25/16).

A 50 mph curve exists ahead as Interstate 90 West continues to climb 4th of July Pass. (Photo taken 5/25/16).

Interstate 90 West enters Idaho Panhandle National Forest at this point as it climbs 4th of July Pass. (Photo taken 5/25/16).

More 55 mph curves exist ahead as Interstate 90 West makes its climb. (Photo taken 5/25/16).

Another view on Interstate 90 West as it makes its way up 4th of July Pass. (Photo taken 5/25/16).

View on Interstate 90 West as the climb continues. (Photo taken 5/25/16).

More curves and climbing ahead. (Photo taken 5/25/16).

Interstate 90 West as it climbs 4th of July Pass. (Photo taken 5/25/16).

Still more curves and climbing to go. (Photo taken 5/25/16).

Take Exit 28 to Mullan Road Historical Park. (Photo taken 5/25/16).

Interstate 90 West at Exit 28: 4th of July Pass Recreation Area (Photo taken 5/25/16).

View of the ramp for Exit 28 as Interstate 90 West nears the top of 4th of July Pass. (Photo taken 5/25/16).

Approaching the summit of 4th of July Pass, this sign warns that on the other side, Interstate 90 West will traverse a 6% downgrade which will start 2,000 feet ahead. (Photo taken 5/25/16).

Interstate 90 West as it reaches the summit of 4th of July Pass at an elevation of 3,069 feet. A Parking Turnout exists at the summit for trucks to check their brakes before heading down the long, steep grade ahead. (Photo taken 5/25/16).

Interstate 90 West at the Parking Turnout at the summit of 4th of July Pass. Trucks should enter the Parking Turnout to check their brakes before descending the steep downgrade ahead. (Photo taken 5/25/16).

Interstate 90 West begins to descend the west side of 4th of July Pass at mile marker 28. The downgrade will be a 6% grade which lasts for the next 4 miles. (Photo taken 5/25/16).

The speed limit remains 65 mph for all traffic on Interstate 90 West heading down the west side of 4th of July Pass. (Photo taken 5/25/16).

Mileage sign on Interstate 90 West. It's 5 miles to the junction of ID 97, 14 miles to Coeur d'Alene, and 46 miles to Spokane. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 27, as it descends 4th of July Pass. (Photo taken 5/25/16).

View on Interstate 90 West as it continues its descent. (Photo taken 5/25/16).

Interstate 90 West at mile marker 26. (Photo taken 5/25/16).

View on Interstate 90 West as it continues its descent down 4th of July Pass. (Photo taken 5/25/16).

Nearing the bottom of 4th of July Pass, we see this Chain Removal Area. (Photo taken 5/25/16).

Take Exit 22 to Wolf Lodge District. (Photo taken 5/25/16).

Interstate 90 West at Exit 22: ID 97 - Harrison (Photo taken 5/25/16).

Interstate 90 West reassurance shield. (Photo taken 5/25/16).

Mileage sign on Interstate 90 West. It's 8 miles to Coeur d'Alene, 10 miles to the junction of US 95, and 40 miles to Spokane. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 21. (Photo taken 5/25/16).

Interstate 90 West as it crosses Lake Coeur d'Alene. (Photo taken 5/25/16).

View of Lake Coeur d'Alene from Interstate 90 West, looking to the north. (Photo taken 5/25/16).

Watch for wildlife and game crossing the highway for the next 5 miles. (Photo taken 5/25/16).

Interstate 90 West will traverse some winding curves ahead as it approaches Coeur d'Alene. (Photo taken 5/25/16).

View on Interstate 90 West nearing Coeur d'Alene. (Photo taken 5/25/16).

Interstate 90 West at Exit 17: Mullan Trail Road (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 17. (Photo taken 5/25/16).

Interstate 90 West reassurance shield. (Photo taken 5/25/16).

Interstate 90 West as it enters the Coeur d'Alene city limits. (Photo taken 5/25/16).

There are some lower than usual bridge clearances for the next 2 miles on Interstate 90 West. Any overheight vehicles should use Exit 14. Trust me, the bridges are still plenty tall enough for most vehicles (they're well over 15 feet in height). (Photo taken 5/25/16).

Take any of the next 5 exits to Coeur d'Alene. (Photo taken 5/25/16).

Mileage sign listing the distances to the three upcoming exits to Coeur d'Alene. (Photo taken 5/25/16).

Traffic to the Kootenai County Fairgrounds should use Exit 12. (Photo taken 5/25/16).

Interstate 90 West at Exit 15: City Center / Sherman Ave (Photo taken 5/25/16).

Section 3: Coeur d'Alene (Exit 15) to Washington Border

   

Mileage sign listing the distances to the three upcoming exits to Coeur d'Alene. (Photo taken 5/25/16).

The speed limit remains 65 mph for all traffic through the Coeur d'Alene area. (Photo taken 5/25/16).

Interstate 90 West at Exit 14: 15th St (Photo taken 5/25/16).

Mileage sign listing the distances to the three remaining exits to Coeur d'Alene. (Photo taken 5/25/16).

Interstate 90 West at Exit 13: 4th St (Photo taken 5/25/16).

Take Exit 12 to US 95 North to the Canadian border. (Photo taken 5/25/16).

Interstate 90 West at Exit 12: US 95 - Sandpoint / Moscow (Photo taken 5/25/16).

Take Exit 11 to North Idaho College, Lewis & Clark State College, and the University of Idaho. (Photo taken 5/25/16).

Interstate 90 West at Exit 11: Northwest Blvd (Photo taken 5/25/16).

West of Exit 11, as Interstate 90 West leaves Coeur d'Alene, the speed limit for cars increases slightly to 70 mph. The truck speed limit remains 65 mph. (Photo taken 5/25/16).

Mileage sign on Interstate 90 West. It's 3 miles to Post Falls and 32 miles to Spokane. (Photo taken 5/25/16).

View on Interstate 90 West at mile marker 10. (Photo taken 5/25/16).

Rest Area on Interstate 90 West in Kootenai County, in between Coeur d'Alene and Post Falls. (Photo taken 5/25/16).

Mileage sign listing the distances to the three upcoming exits to Post Falls. (Photo taken 5/25/16).

Entering the Post Falls city limits on Interstate 90 West. (Photo taken 5/25/16).

Take Exit 7 to Post Falls Business Loop. (Photo taken 5/25/16).

Interstate 90 West at Exit 7: ID 41 - Rathdrum / Spirit Lake (Photo taken 5/25/16).

Another mileage sign listing the distances to the three upcoming exits to Post Falls. (Photo taken 5/25/16).

Interstate 90 West reassurance shield in Post Falls. (Photo taken 5/25/16).

The speed limits remain 70 mph for cars and 65 mph for trucks. (Photo taken 5/25/16).

Take Exit 5 to Treaty Rock Historical Site. (Photo taken 5/25/16).

Interstate 90 West at Exit 6: Interstate 90 Business Loop - Seltice Way / City Center (Photo taken 5/25/16).

Interstate 90 West at Exit 5: Spokane St (Photo taken 5/25/16).

Another mileage sign on Interstate 90 West. It's 4 miles to the state line and 22 miles to Spokane. (Photo taken 5/25/16).

Take Exit 2 to North Idaho College Workforce Training Center and University of Idaho Research Park. (Photo taken 5/25/16).

Also take Exit 2 to the Event Center. (Photo taken 5/25/16).

Interstate 90 West at Exit 2: Pleasant View Rd (Photo taken 5/25/16).

Interstate 90 West at Exit 1: Beck Road (Photo taken 5/25/16).

View on Interstate 90 West as it passes under Beck Road in Post Falls. (Photo taken 5/25/16).

Interstate 90 West at mile marker 1. (Photo taken 5/25/16).

Signage for Exit 299 on Interstate 90, as it prepares to cross the Spokane River and enter Washington State. (Photo taken 5/25/16).