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Temporary lane and shoulder closures will be in place throughout the duration of the project. Watch for construction equipment on the shoulder of the interstate.
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Road closure for MT-21 through mid June 2026. Replacing a timber bridge. Travelers must take US-287 or MT-200. ADDITIONAL CLOSURE BETWEEN RP 0.1 TO RP 0.2. ELK CREEK AND ELK CREEK OVERFLOW.
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Road Re-construction in progress, traffic is controlled by flaggers, traffic signals and pilot car..
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ALTERNATING SINGLE LANE TRAFFIC FOR BRIDGE REHABILITATION WORK.
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M.A DeAtley is continuing to build subgrade for the new road alignment, culvert installation, while Sletten continues to remove the old bridge. Traffic will be managed by temporary traffic signals controlled by pilot cars during work hours. The detour bridge spanning the Teton River is complete and traffic is currently in use. An 11-foot width restriction is in place. If loads are wider than 11 feet, please call ahead to ensure safe passage is possible. Please watch for Speed Reductions, Lane Closures with pilot cars, and changing road conditions. Motorcycles, please consider alternate route with the changing road surface conditions. Work shift is tentatively 7:00 AM to 5:30 PM Monday-Friday.
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The Montana Department of Transportation (MDT) along with Riverside Contracting, Inc. has begun construction along Montana Highway 83 (MT 83) near Swan Lake at Hall, Groom, and Six Mile Creek, weather and other factors permitting. Work includes replacing timber bridges with concrete box culverts, roadway reconstruction & improved safety features. Working hours are 7 a.m. to 5 p.m. Monday through Friday. Follow all posted signage and please watch for workers and equipment in the project areas. \n\n
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Signing work in progress from 7pm to 7am. \nWatch for workers\n
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Bridge work on Exit 340 overpass structure. The bridge is closed to all traffic. Southbound US-89 traffic must enter I-90 westbound and turn around at Exit 337 to access eastbound I-90. Eastbound I-90 traffic must pass Exit 340 and turn around at Exit 343 to access northbound US-89. Mission Field is accessible from the eastbound I-90 on and off ramps.
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Bridge work on Exit 337 overpass structure. Single lane traffic and width restriction. Expect short delays.
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I-90 EB & WB REST AREAS/PARKING AREAS ARE CLOSED FOR MAINTENANCE
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ALTERNATING SINGLE LANE TRAVEL
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Expect work zones with reduced speeds and/or work zones controlled by signal lights and pilot vehicles. Construction equipment will be working near the shoulders and south side of the existing roadway.
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The road will contain loose gravel. 14' Width Restriction.
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The project is scheduled to be completed by the end of August, weather and other factors permitting. Crews will be working from 6 a.m. to 6 p.m. The purpose of this construction project is to extend the service life of the roadway.\nFollow all posted signage and watch for workers and equipment.\n
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NB traffic will be crossed over for two way traffic on the SB side through the work zone with reduced speed. \nA 12 foot width restriction and 95 foot length restriction is in place (excluding double and triple combinations). \n Loads that range from (95 feet to 150 feet) in length and/or (12 feet to 18 feet) wide will need to stage in the wide load staging area to be moved through during the wide load marshalling time period. Loads exceeding 18 feet wide and/or 150 feet long are considered super loads. Super loads should contact Mountain West Holding Company Monday through Friday 8 am - 5 pm at 406-490-8390 to coordinate super load marshalling through the project on a case by case basis.\nWide load staging is in place NB (RP 216.0) and SB (RP 222.5). Wide load marshalling will take place from 4 am to 6 am Monday through Friday. \n
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WATCH FOR WORKERS IN AREA\nNO TRAFFIC RESTRICTIONS AT THIS TIME\nBridge replacement across the Clark Fork River including grading and plant mix bituminous surfacing and crossovers on the Clark Fork/Old Hwy 10 Bridges project in Mineral County, west of Alberton. The project is located on westbound I-90 and includes the following\nlocations: From approximately RP 66.1 to 66.4, work involves removing and\nreplacing the existing westbound I-90 bridge over the Clark Fork River, and\n At approximately RP 65.5, work involves removing existing paint,\nremoving and repairing pack rust, and painting all steel elements in Spans 5 and 6 of the\nwestbound I-90 bridge over Old Hwy 10.\n
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Alternating traffic patterns with single lane closures and reduced speeds in place. Watch for equipment and workers on roadway.
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Workers installing chip seal and fog seal this week followed by striping operations. Traffic will be guided by signals and pilot car. Expect delays up to 15 minutes and watch for workers. Surface will contain loose chips and motorcycles are advised to consider alternate route or delay travel until later in the week. Work will be performed during daylight hours Monday through Friday. For questions about the project, call (406) 384-9823
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WATCH FOR WORKERS PERFORMING BRIDGE MAINTENANCE /\nINTERMITTENT SINGLE LANE TRAFFIC ON THE BRIDGES BETWEEN MM 0-57 \n
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Traffic traveling on Paved detour \n\n
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East bound I-90, mp 0.0 to mp 5.0 will be closed. \nTraffic will be two-way, using median crossovers. The west crossover will be in Idaho at approximately mp 74.\nVarying speed limits, 35-55\nOn/off ramps accessing Lookout Pass will remain open.\n13ft width restrictions at the base of the load, and 14ft at the eaves.\nStaging areas for oversize loads will be Westbound at the Haugan Weigh Station MM15 and loads over 13ft in width will be piloted through by Poteet. Westbound piloting at 7am Monday through Friday.\nEast bound piloting 6am pacific time Monday through Friday.\nOversize load contact: Poteet Construction Inc., 406-360-3107\n\n
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Centennial Ave will be closed between S Excelsior Ave and Santa Claus Rd. Detour in place between Centennial Ave/Montana St. intersection, along Montana St to Platinum St. to the Platinum St / S Excelsior Ave intersection. Closure expected to continue through July.
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BURLINGTON ST BRIDGE IS NOW CLOSED AND A 16 FT WIDTH RESTRICTION IS IN EFFECT ON I90\nI-90 is limited to single lane traffic for use with median crossovers.\nBurlington St will be closed from Continental Drive to Saddle Rock Road. The detour will be in place from Continental / Burlington St intersection, along Continental Drive to Mt Highland Drive, to Saddle Rock Road, to Burlington St intersection.
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REALIGNING THE CURVE, WIDENING SHOULDERS, FLATTENING SLOPES
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Construction hours are Monday thru Saturday from 6 a.m. to 8 p.m., dependent on weather and other unforeseen circumstances. Outside of planned closures, drivers should expect single-lane traffic with reduced speeds and up to 15-minute delays. Expect rough roads.
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Lane closure with flaggers. Speed limit posted to 35MPH. 12â Width restrictions. Bridge will be CLOSED June 8th at 11:30pm. Bridge will be open prior to 5:30am on June 9th.
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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A 14 FT. width restriction will be in place on I-90 from MM 253 to 284. An alternate route will need to be used.\n\nLane closures and reduced speeds will be in place for bridge work from MM 263 to 265.\n
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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Bridge work 10' Width restriction, reduced speed limit, traffic control, narrow lanes and travel delays
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I-90 Eastbound and Westbound will see single lane closures for bridge work
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Bridge Replacement 2KM North of Jordan at Vail Creek. This is a 35 mph gravel road.
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Temporary lane closures are in place for road construction. Flaggers and traffic lights are controlling traffic on both ends of the work zone.
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WATCH FOR WORKERS
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Miscellaneous construction activities. Watch for workers, equipment, and traffic lane changes from 1ST Avenue to Golf Course Road.
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Lane closures with intermittent intersection closures. As operations progress, turn lanes and intersections will be intermittently closed or controlled by flaggers.\n\nWet Paint. Stay off lines. Fresh Oil. 14 foot width restriction thru June 20\n\n\n
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Bridge Rehab work with single lane traffic controlled by signals 24hrs-7 days a week. Work will continue until mid July.
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Watch for changing traffic patterns, equipment and workers on roadway.
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9 foot width restriction in place over the Fred Robinson and Armell's Creek Bridge. Construction on the two bridges will include a mill and overlay of the bridge decks, new joints, and new paved approaches to the bridges.
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Bridge deck rehabilitation will occur on bridges located at RP99 & RP110 in both the northbound & southbound lanes on I15
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Work will take place during daylight hours on First Street from 3rd Avenue West in the outside lane and progress eastbound. Workers will begin removing and replacing compromised concrete panels and other repairs in the first phase of the project. Surface grinding will begin in the second phase once the majority of panel repair is complete. The work is planned to phase in 4-5 block segments and \"racetrack\" the project beginning outside moving inward. Traffic will be routed to one-lane in each direction, guided by traffic control devices. Minimal delays are anticipated and speeds will be the lesser of 35 mph or as permanently posted, but please account for additional time in your travels. Business accesses will be highlighted and guided with traffic control devices. Wide loads are not restricted at this time, but may be delayed depending on current operations. For more information, contact 406-208-0551
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West bound traffic merges to east bound passing lane with median detours.\n\n
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Work will resume on 6/15/2026. Traffic can expect Temporary Traffic Control Lights with Pilot cars to escort through the work zone. Work areas will be limited to single lane. Work will consist of Guardrail installation on the west end of the project and proceeding east. Please watch for workers and equipment throughout the project.
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Road Construction at the Lincoln Rd and Applegate Dr Intersection. \nDetours in place with turning restrictions. Use alternative routes when possible.\nWestbound travelers (Lincoln Rd): Two-way, 15 mph detour around the northern portion of the intersection. No left (South) turn onto Applegate Drive. \nEastbound travelers (Lincoln Rd): Two-way, 15 mph detour around the northern portion of the intersection. Additional detour for right turn (South) onto Applegate Drive.\nSouthbound travelers (Applegate Dr): Two-way, 15 mph detour around the northern portion of the intersection. Left/Right turn only onto Lincoln Road\nNorthbound travelers (Applegate Dr): Right turn (East) only onto Lincoln Road. \nExpect single lane closures controlled by signal lights and flaggers during various operations.\n
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The public can obtain updates on progress by texting 844-764-2126 or emailing greatfalls@kljeng.com. This is on 14th ST (Southbound one-way) between 12th Ave N and 10th Ave S, Great Falls. Right lane is closed, left lane is open. There is no impact to northbound traffic on 15th ST.
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WORKZONE IN EFFECT MON.-FRI. ;7AM TO 5 PM \nINTERMITTENT LANE CLOSURES FOR TREE TRIMMING; WATCH FOR FLAGGERS; REDUCE SPEED TO 35 MPH
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Motorcycles consider alternate route. Milled/Grooved surface initially then loose chips. Chip seal operation scheduled for the week of July 6th, 2026
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City of Plentywood water project
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This project on I-90 consists of resurfacing the existing roadway including mill, plant mix overlay, new guardrail, seal and cover. This project is in Mineral County starting just east of the Saltese Interchange at reference point 11.2 going east for 4.6 miles to just west of the Haugan Interchange at reference point 15.7.\nStaging area for oversize loads Eastbound will be at Mile Marker 10.8. Oversized loads will be piloted through the project from 6:00am to 8:00am. Monday through Friday.\nStaging area for oversized loads Westbound will be at Mile Marker 15.5. Oversized loads will be piloted through the project from 6:00am to 8:00am. Monday through Friday.\nOversize load contact: Mountain West Holding Company, 406-490-7230\n\n\n\n
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Workers lowering surface utilities this week and then milling road surface. Crack sealing and chip sealing to follow. Expect short delays with traffic guided by flaggers. Work is expected to be fast paced, but watch for temporary street closures and proceed to the next block. Work will be during daylight hours. Give plenty of time for commuting and watch out for workers.
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Construction hours are Monday thru Saturday from 6 a.m. to 9 p.m., dependent on weather and other unforeseen circumstances. Potential for uneven surfaces. Drivers should expect single-lane traffic with reduced speeds and up to 15-minute delays.
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Bridge Rail work on Nelson Creek and Timber Creek Bridges. One lane traffic controlled by signals, will be overnight also due to no protection on bridge corners.
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Single lane closures for sign installation 6-2-26 through 6-10-26 with Pilot car.
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Shoulder widening with new barrier rail.
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Detour from intersection of 2nd St and Shields Ave to Utah Ave to Harrison Ave to Texas Ave to intersection of Farrell Street.
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WATCH FOR WORKERS DURING OVERLAY PROJECT
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Seal and cover operations, loose chips/gravel on roadway
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Watch for Trucks and Workers entering/leaving the work zone. Lane Configurations are to be expected. Please watch for workers and equipment throughout the project area.\nThe Whitefish Stage and West Reserve Drive Intersection is being controlled by Temporary Traffic Signals. Traveling public will be on loose gravel traveling on loose gravel on Whitefish Stage during construction. These will be in place for the duration of the job. The signals will allow 1 direction of travel at a time to accommodate left turns for that direction of traffic. Please plan your travels to allow for additional travel time with this change. \nThe intersection of Hutton Ranch Road and West Reserve Drive will no longer allow left turning traffic from Hutton Ranch onto West Reserve. The intersection will be configured for Right In-Right Out Access Only. There will be No Left Turns from West Reserve onto Hutton Ranch Road as well.\nDue to construction activities and lane configurations for construction a 12-foot width restriction will be in place for West Reserve.\n
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Speed reduced to 35 mph due to single lane traffic over two bridges with 12-foot width limit. Motorcycles consider alternate route due to gravel surfaces at bridge ends.
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Flathead River/Sportsman Bridge Project -Crews will be on site Monday through Friday, from 7 am to 6 pm. Preparation for the Bridge & Road Construction are underway. All work is dependent on the weather and other unforeseen factors. Please slow down and watch for workers and equipment entering/exiting the project area. \nRiver Traffic: Once barges are in place and bridge construction begins, the waterway will remain open. Boaters are advised to use caution, especially during working hours. \n\n\n
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MT Hwy 91 is CLOSED to through traffic due to bridge out at the Big Hole River structure. There is no estimated time of reopening. Through traffic must use an alternate route.
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Watch for Trucks and Workers entering/leaving the work zone. Lane Configurations are to be expected. Please watch for workers and equipment throughout the project area.\nIntersection is still controlled by Temporary Signals that allow traffic to travel in 1 direction at a time. \n
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Culvert removal and replacement. Approximately 300-500 feet of gravel road until Paving Operations resume in Spring 2026.
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CAUTION: MUDDY ROAD CONDITIONS / 14' WIDTH RESTRICTION / 35 MPH