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Travel information for Wyoming Highway 789 is as follows:

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Variable Speed Limits
Chain Law
Neighboring States

District Comments
District 1 (Southeast) I80: The Fort Steele Rest Area is closed until further notice near Sinclair at milepost 228.

District 2 (Central)
District 5 (Northwest)


Conditions
Route Location Conditions Advisories Restrictions Last Report Time Cameras Sensors
Baggs
NWS Forecast
Between Colorado State Line and Mile Marker 25 Dry None None Oct 23, 2025, 12:59 PM    
Between Mile Marker 25 and I-80, Creston Junction Dry None None Oct 23, 2025, 12:59 PM    
Rawlins
NWS Forecast
Between I-80, Creston Jct and Rawlins Dry None None Oct 23, 2025, 12:59 PM    
Between Rawlins and Mile Marker 23 Dry None None Oct 23, 2025, 12:59 PM    
Muddy Gap
NWS Forecast
Between Mile Marker 23 and Lamont Dry None None Oct 23, 2025, 11:01 AM    
Between Lamont and Muddy Gap Dry None None Oct 23, 2025, 11:01 AM    
Between Muddy Gap and Jeffrey City Dry None None Oct 23, 2025, 11:01 AM    
Between Jeffrey City and Sweetwater Station Jct Dry None None Oct 23, 2025, 11:01 AM    
Lander
NWS Forecast
Between Sweetwater Station Jct and Jct WY 28 / US 287 Dry None None Oct 23, 2025, 12:57 PM    
Between Jct WY 28 / US 287 and Lander Dry None None Oct 23, 2025, 12:57 PM    
Between Lander and Hudson Dry None None Oct 23, 2025, 12:57 PM    
Riverton
NWS Forecast
Between Hudson and Riverton Dry None None Oct 23, 2025, 12:57 PM    
Between Riverton and WY 134 Dry None US 26/WY 789 from milepost 108.750 to 109.250
Width restriction: 14 ft 0 in
Oct 23, 2025, 12:57 PM    
Shoshoni
NWS Forecast
Between WY 134 and Shoshoni Dry None None Oct 23, 2025, 12:57 PM    
Between Shoshoni and Boysen Dam Dry None None Oct 23, 2025, 12:57 PM    
Thermopolis
NWS Forecast
Between Boysen Dam and Thermopolis Dry Falling Rock US 20 BUS/WY 789 from milepost 116.100 to 116.500
Width restriction: 12 ft
Height restriction: 15 ft
Oct 23, 2025, 12:57 PM    
Between Thermopolis and Mile Marker 148, Washakie/Hot Springs County Line Dry None None Oct 23, 2025, 12:57 PM    
Worland
NWS Forecast
Between Mile Marker 148, Washakie/Hot Springs County Line and Worland Dry None None Oct 23, 2025, 12:57 PM    
Between Worland and Washakie/Big Horn County Line Dry None None Oct 23, 2025, 12:57 PM    
Basin
NWS Forecast
Between MM 176, Washakie/Big Horn County Line and Basin Dry None None Oct 23, 2025, 12:57 PM    
Between Basin and Greybull Dry None None Oct 23, 2025, 12:57 PM    
Between Greybull and 4 miles west of Greybull Dry None None Oct 23, 2025, 12:57 PM    
Lovell
NWS Forecast
Between 4 miles west of Greybull and Lovell Dry None None Oct 23, 2025, 12:57 PM    
Between Lovell and the Montana State Line Dry None US 310 / WY 789 at milepost 257.010
Single unit 4-5 axles: 26T
, Single unit 6+ axles: 30T
Oct 23, 2025, 12:57 PM    

Construction Projects
Project Name Project Number WYDOT Contact Contractor Contact Start Date Completion Date Description Road Milepost(s) Surface Delays Last Updated
District 1 Bridge Rehab B251005 Diego Fronza
307-321-1671
Reiman Corp. and Subsidiary
Cheyenne , WY
307-632-8971
Apr 27, 2025 Oct 30, 2025 Bridge Rehabilitation involving structure, traffic control, asphalt paving, and milling work at various locations in District 1 196.600 to 196.700 Paved Expect delays Apr 16, 2025, 08:46 AM
Guardrail Repair US 20/WY 789 mp 129-130 near Thermopolis B255021 Erik Smith
307-332-4151
erik.smith@wyo.gov
None May 27, 2025 Oct 30, 2025 Guardrail updates involving guardrail, grading and miscellaneous work 129.000 to 130.500 Paved 10 minute delays Sep 7, 2025, 04:10 AM
US 26/WY 789 mp 106-126 between Riverton and Shoshoni N203074 Robert Scheidemantel
851-3605
McGarvin-Moberly Construction Co.
Worland , WY
307-347-4268
Apr 28, 2025 Nov 29, 2025 Mill, overlay, right of way fencing, asphalt paving, fencing, chip seal, traffic control and miscellaneous work on approximately 14.5 miles of US 26/WY 789. During paving operation expect lane closures, reduced speeds and minor delays. 14 ft width restriction is in place for paving. 106.280 to 126.840 Paved Expect delays Apr 14, 2025, 06:04 AM
*Chain Law - Level 1 Definition
**Chain Law - Level 2 Definition
Other Definitions

Impact Levels Description / Recommended Action
Low Minimal impacts expected, use general caution.
Moderate Some impacts expected, use extra caution. Stay alert for changing road and weather conditions.
High Dangerous impacts expected, use extreme caution, delay travel or consider alternate route. If travel is necessary, slow down and allow extra time.
CLOSED Per W.S. 24-1-109, motorists traveling on a closed road without permission from WYDOT or WHP may be subject to a fine of up to $750 and/or up to 30 days imprisonment.
Seasonal / Long-Duration Event Impact level used to distinguish long-duration events from emergent events.
All travelers are encouraged to check present conditions and forecasts before departing.