A minimum of twelve hours after the snow stops.
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See the Snowplowing & Ice Control Procedure approved by the Board of County Commissioners.
Road & Bridge has 82 routes.
Road & Bridge is responsible for 2,945 lane miles of paved road and 647 lane miles of gravel road in unincorporated Jefferson County.
It takes 144 employees. We are currently understaffed by 30 CDL drivers. Although we are actively recruiting CLD drivers, there is an ongoing nationwide shortage of CDL drivers.
Mailboxes, newspaper delivery boxes, or fences installed alongside the traveled roadway are at the owner’s risk. If an operator strikes a mailbox or fence with a plow, the operator will report it and we will repair it as soon as possible. Mailboxes and fences damaged by snow load during normal plowing operations are not the responsibility of the County. If a mailbox is struck by a plow, it will be replaced with a standard rural mailbox.
We do not remove packed snow and ice from residential roads passable by passenger cars.
Road & Bridge is not responsible for private property. Please contact your property manager.
During a major snow event, Road & Bridge is fully deployed and working on plowing the roads.
Each snow event is unique, we cannot give an estimated arrival time.
Postal regulations require residents to clear snow in front of mailboxes to allow mail delivery.
Jefferson County does not have an ordinance requiring citizens to shovel sidewalks, but the county encourages citizens to shovel walks adjacent to their homes as a courtesy to their neighbors and for the safety of pedestrians.
Residents of incorporated areas are urged to check with their city governments for any policies regarding snow removal from sidewalks. Residents in unincorporated areas of Jefferson County who live within the boundaries of a homeowners association are urged to check with their HOA for any regulations regarding sidewalk maintenance.
Roads are plowed based on their priority, meaning arterials and main routes are cleared first. Your road may be a secondary route plowed after the school bus and emergency routes are open. Drivers are placed on a 12-hour shift based on currently available manpower. A schedule cannot be enforced because each storm presents unique situations.
Driveway approaches affected during Phases I, II, and III are the responsibility of the property owner or resident to clear. See Snowplowing & Ice Control Procedure approved by the Board of County Commissioners.
We must obey traffic laws and cannot provide custom plowing. Plowing a windrow of snow into oncoming traffic is a safety hazard.
Cul-de-sacs are Priority IV roads. If snow accumulations are 6 inches or less and melting is forecasted to occur within 72 hours, snow plowing will not occur on Priority 3 and 4 streets.
There are 911 cul-de-sacs in District II, 306 in District I, 97 in District III, and 9 in District IV. For more information on District boundaries, see Maintained Roads Search.
A schedule cannot be enforced because each storm presents unique situations. For each snow event, we are doing the best we can as safely and quickly as possible with the resources available.
If you need emergency assistance, please contact the Jefferson County Sheriff’s office at 303-980-7300.
To work in a county right-of-way, you must get a Right-of-Way 67Use Permit from Transportation & Engineering.
HWY 72 (Coal Creek Canyon Rd, Indiana - 64th Ave to 86th Pkwy)
HWY 121 (Wadsworth Blvd)
HWY 36 (Boulder Turnpike)
HWY 95 (Sheridan Blvd)
HWY 6 (Clear Creek Canyon, Grand Army of the Republic HWY)
HWY 40 (Colfax Ave)
HWY 26 (Alameda Parkway)
HWY 8 (Morrison Rd)
HWY 121 (Wadsworth Blvd)
HWY 75 (Platte Canyon Rd)
HWY 74 (Evergreen Parkway, Bear Creek Rd)
The Colorado Department of Transportation (CDOT) is responsible for all street surface repairs and maintenance including potholes, snow control, weed mowing and signal maintenance/timing on state highways within unincorporated Jefferson County. Please contact CDOT directly with any questions or concerns. For CDOT-maintained roads within Jefferson County, you may call 303-759-2368. The following is a list of roadways maintained by CDOT: US Hwy 6 SH 8 SH 26 US 36 US Hwy 40/Colfax SH 58 SH 67 SH 72 SH 74 SH 75 (Platte Canyon) SH 93 SH 95 (Sheridan) SH 121 (Wadsworth) SH 128 US Hwy 285 I 70 I 76 C 470.