Road Department

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Welcome to the Benton County Road Department webpage! Our most common queries are in the “How Do I…?” section below. Other topics can be found through the sidebar to your left. If you have any questions or concerns, please contact us through the information to your right. Thank you for visiting!

 

How Do I…?

…get permits

…report a road problem

…bid on county projects or proposals

...view the Benton County road map

…find standards and specifications

…find road closures

…find out about snow removal

Short Term Road Closures - Updated 3-27-2017 @ 10:37 AM
- Missimer Road from N.W. Anderson Road to Crooks Road
- Rothrock Road at McClure Road to Crooks Road

Long Term Road Closures - Updated 3-24-2017 @ 8:18 AM
These roads are closed until further notice, unless a specific date is listed.

Road closure information will be updated as it is received. 
Please use caution while traveling on roads!

Click here to view Resolution No. 2017-165 concerning weight & speed restrictions on County roads


County Roads currently under weight restrictions  - Updated 3-10-2017 @ 9:20 AM
- Bert James Road



Our Mission: The Benton County Road Department strives to provide the highest quality roadway and infrastructure to the public through prudent use of resources, technology, innovation, and teamwork.


Our Vision: Working for the community to establish and maintain an exceptional road and public works infrastructure system through dedicated staff, effective construction, rigorous maintenance, and exemplary service.


Tip of the Month:  With the end of winter you may be seeing damage to the concrete surfaces around your home.  This damage may be in the form of small pieces spalling off and in worst cases can be large scale chunks of the surface coming up.  Ask most contractors and they will immediately point to the products used by the City, County or State to deice the roadway as the culprit.  Deicers are a vital component of keeping roadways safe during the winter, and though they may play a small role in concrete damage, they are not the root cause.  Here’s why:

While it appears solid concrete is a porous material.  These small holes readily absorb water from the surface of the concrete.  When that water freezes it expands in volume up to 9%.  This generates pressure against the concrete from the inside and when that pressure exceeds the strength of the concrete it will break pieces off.

 It’s common belief that rock salt and other deicing products react with the concrete to cause damage.  Concrete is widely used because of its inherent resistance to chemical attack.  With the exception of deicers containing ammonium nitrate or ammonium sulfate the chemicals in deicer products will not directly harm the concrete.

The way deicing products contribute to concrete damage is through their ability to lower the freezing point of water and by their hydroscopic nature.  By lowering the freezing point of water deicers cause ice that otherwise would remain frozen to melt.  However all deicers have their limits and when the temperature gets cold enough the water will freeze again.  Each time the ice melts into water the concrete can soak it up.  Add the fact that deicers attract water (hydroscopic) and you have a situation where more water can get into your concrete.  More water means more expansion when that water freezes, which means more pressure, which can lead to more damage.

 With or without deicer products with enough water and enough freeze/thaw cycles damage to your concrete surface is likely to occur.  Before you swear off using concrete ever again there are some things that can be done to reduce the likelihood of this damage:

Make sure your builder is using a high strength concrete.  Concrete over 4000psi (commonly referred to as six sack) has fewer pores and will resist the damage better.  Stronger is better in this case and if you’re in an area that sees a lot of freeze/thaw 8 sack or higher concrete may be appropriate.  A few extra bags of cement up front is a lot cheaper than repairing or replacing that concrete later.

  1. Make sure your concrete mix contains an air entraining additive.  The right amount of air in the mix will help the concrete resist freeze/thaw damage.
  2. Be sure the finishing on the concrete is done properly.  A lot of workers use water as a finishing aid.  This reduces the strength of the concrete at the surface and will lead to failure.  Poor workmanship on the finishing is also a major cause of concrete surface failure.
  3. Seal your concrete using a sealer that soaks into the concrete.  This will prevent water from entering the pores in the first place.  Be sure to reapply the sealer per the manufactures recommendations to keep the protection going.  Avoid film sealers that stay on the surface.  These can become slippery when wet.
  4. Remove snow and ice often.  The less water that can be absorbed as snow and ice melts the less likely you are to see damage.  After removing the snow and ice consider using sand for traction instead of a deicer.
  5. Install gutters for concrete under eves and make sure downspouts discharge off the concrete surface.  Be sure your concrete is sloped to drain water off and don’t allow water to pool.  Again less water absorbed reduces likelihood of damage.

The Benton County Road Department uses deicer products sparingly.  Deicers are generally only applied to intersections, hills and curves.  The products we use are primarily rock salt treated with magnesium chloride and a corrosion inhibitor or a liquid magnesium chloride solution.  Our rock salt products are typically mixed with sand at a 1 part salt to 5 parts sand ratio.  These quantities are very small and it’s not likely enough deicer will get transferred by your vehicle to your concrete to have any ill effect.


New at the Road Department:

 

Check out the Benton County interactive road map!

 

Contact Us

Physical Address:

620 Market Street

Prosser, WA  99350

 

Map

 

Mailing Address:

P. O. Box 1001

Prosser, WA  99350

 

Phone Numbers:

Tri-Cities:  509-736-3084

Prosser:    509-786-5611

 
 
 
 

 
Benton County    620 Market Street    Prosser, Washington 99350
Phone: (509) 786-5710 or (509) 783-1310
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