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Road & Bridge
Ravalli County has approximately 1450 miles of public roadway. Approximately 550 miles of those roads are maintained by the County Road Department. Of the 550 miles of roadway approximately 300 miles are paved and 250 miles are graveled.
Inventory of maintained roads are available to the public upon request. If you are purchasing property in the Bitterroot Valley you should investigate road conditions and maintenance to determine service available to your property.
Ravalli County Road Department employs 19 people including Driver / Operators, Work Zone Assistants, Mechanics and Administration.
The main office is in Hamilton. The county maintains and operates seven open pit quarries and mines the aggregate for sanding, chipping, road base and asphalt products. The county operates a crusher plant to generate aggregate materials.
Permits ARE Required
Approach Permits are required for all field access, residential and commercial approaches. Applicant must submit current parcel map with application. The fee is $145.00. In addition, a $500 refundable deposit is required for a performance guarantee for gravel approaches and $1,000 refundable deposit is required for a performance guarantee for paved approaches. Our Road Department staff will issue permits with job specifications for construction.
Encroachment Permits are required for all excavation work in county easements and right of ways. Applicant must submit certificate of liability insurance, a performance bond and $195.00 fee for each encroachment site. In addition, a $500 refundable deposit is required for a performance guarantee.
All application forms are available at the Road Department office, 244 Fairgrounds Road, Hamilton, MT 59840.
To review Resolution 2287 (Access Encroachment)
To view and print a copy of the Approach Permit
To review Resolution 1272 (Excavation)
To view and print a copy of the Encroachment Permit
Signs Within Right of Ways
All signage must be placed out of the right of ways. Right of ways are typically defined as 30 feet from the center of the roadway.
Dust Abatement Applications
The 2023 Dust Abatement program is NOW CLOSED! If you are interested in having a section of road oiled or would like to be added to our mailing list for next year, please contact our office at 363-2733 for more information.