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WYDOT To Start Repair Work On Collapsed Stretch of Interstate 90

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By Kevin Koile, Sheridan Media

Motorists traveling on I-90 south of Sheridan will notice a lane closure of the westbound lane near mile marker 30. 

The mid-October snow storm, which dropped over ten inches of heavy wet snow, was just a bit too much for a 300 foot section of the right hand travel lane, thus resulting in the loss of roughly 175 feet of shoulder and guardrail.

A common occurrence in Sheridan County, a slope failure happens when the soils, commonly clay, become overly saturated and lose their ‘sticky’ factor and give way to gravitational pull.

Most of these clays are sitting on a shale base which offers little to no resistance for the clay to adhere to.

The soils become too heavy and follow the path of least resistance and fall away from the slope.

In the instance, 150 feet of guardrail and pavement went along with it resulting in the closure of the driving lane until repairs are made.

The Wyoming Department of Transportation Geology team spent a week testing the soils in over a dozen locations on either side of the slide as far down as fifty feet to determine how saturated the soils are throughout the slide area.

This method allows geologists to determine if there is the potential for more sliding to occur in the near future. 

Results indicate the slide has settled and geologists have determined that the best method to repair the slope is to place soil nails into the side of the slope.  

Soil nailing is a remedial construction measure to treat unstable natural soil slopes.

It involves drilling holes for steel bars to be inserted into a slope face which are then grouted in place. Mesh is attached to the bar ends to hold the slope face in position.

Temporary repair work is anticipated to begin by the end of the month. 

The travel lane will remain closed until repairs are completed.

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Wyoming Road Trips May Be Slightly Delayed By Road Work

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By Jim Angell, Cowboy State Daily

It’s summertime and time to take to the road in Wyoming, but travelers on some highways and interstates will experience a lot of “hurry up and wait” this week.

The state’s highway condition map shows that construction projects across Wyoming will continue to slow some travel.

On Interstate 80, delays are expected east of Cheyenne near Hillsdale because of bridge construction work, while pavement marking work west of Cheyenne will also cause some delays. Between Laramie and Elk Mountain, delays are expected because of construction at Fort Steele, while a paving project near Elk Mountain will also cause delays.

Delays are also expected west of Rawlins because of interstate ramp construction work, and resurfacing work west of Green River could result in delays of up to 10 minutes and stopped traffic.

On Interstate 25, bridge work and pavement marking projects are expected to cause delays south of Cheyenne, while bridge rehabilitation is expected to cause travel delays north of Cheyenne.

In Casper, delays are expected to be caused by bridge rehabilitation work.

On Interstate 90, the only spot where delays are expected is near Moorcroft, where bridge repairs are underway.

A number of projects are also underway on state and federal highways.

Work causing delays in travel can be expected in the following areas:

Wyoming Highway 296 northwest of Cody, expect delays;

Wyoming Highway 120 north of Cody, delays of up to 20 minutes;

U.S. Highway 14/16/20 west of Cody, delays of up to 20 minutes with stopped traffic;

U.S. Highway 14A southwest of Powell, expect delays; U.S. Highway 14A east of Powell, delays of up to 20 minutes;

U.S. Highway 14A/310//Wyoming Highway 789 near Lovell, expect delays;

U.S. Highway 310/Wyoming Highway 789 near Deaver, delays of up to 20 minutes with stopped traffic;

U.S. Highway 16/20/Wyoming Highway 789 near Worland, delays of up to 20 minutes;

U.S. Highway 16 near Ten Sleep, delays of up to 20 minutes;

U.S. Highway 20/Wyoming Highway 789 north of Shoshone, delays of up to 20 minutes;

U.S. Highway 287 northwest of Lander, delays of up to 20 minutes with stopped traffic;

Wyoming Highway 131 southwest of Lander, delays of up to 15 minutes;

U.S. Highway 287/Wyoming Highway 789 between Sweetwater and Lander, delays of up to 15 minutes;

U.S. Highway 26/287 northwest of Dubois, expect delays;

U.S. Highway 26/287 southwest of Moran Junction, delays of up to 20 minutes;

U.S. Highway 189/191/26/89 south of Jackson, delays of up to 20 minutes between 8:30 a.m. and 4:30 p.m.;

U.S. Highway 89 south of Alpine Junction, delays of up to 20 minutes with stopped traffic;

U.S. Highway 20/26 northwest of Casper, delays of up to 20 minutes;

U.S. Highway 20/26/87 in Casper, expect delays;

Wyoming Highway 220 near Pathfinder Reservoir, delays of up to 15 minutes;

U.S. Highway 85 between Lingle and Lusk, expect delays;

U.S. Highway 20 east of Lusk, delays of up to 15 minutes with stopped traffic;

Wyoming Highway 211 northwest of Cheyenne, expect delays, and

U.S. Highway 85 south of Cheyenne, expect delays. 

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