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Bonner County approves rock‑crushing contracts, advertises magnesium chloride bid and OKs $57,413 match for intersection safety project
Summary
The Board of County Commissioners approved three rock‑crushing contracts totaling about $989,647, authorized advertisement for a $700,000 magnesium chloride procurement, and approved a state/local agreement that requires a $57,413 county match to move a stop‑control intersection safety project to construction.
The Bonner County Board of Commissioners on an unspecified date approved multiple Road & Bridge procurement items, including three district rock‑crushing contracts, authorized a formal bid advertisement for magnesium chloride, and approved a state/local agreement for stop‑control intersection safety improvements that requires a $57,413 county match to proceed to construction.
County Engineer Matt Mulder told the board the county will advertise for 4,000 tons of magnesium chloride — the same amount as last year — with a budget of $700,000 to stabilize and reduce dust on gravel roads. Mulder said the quantity treats about 400 miles of gravel roadway and the material is delivered to county holding tanks for distribution by crews.
The county also opened and awarded rock‑crushing contracts for three districts: District 1 to Peak Sand and Gravel, Inc. for $295,840 to produce various sizes of gravel and riprap; Districts 2 and 3 to Woods Crushing & Hauling, Inc. for $437,500 and $256,307.50 respectively. Mulder said the higher cost for District 2 reflects mobilization into a county‑owned pit and larger tonnages being produced there.
On intersection safety, Mulder presented a previously submitted grant application to upgrade intersections with larger, solar‑powered flashing LED stop signs and radar activation at up to 80 locations; the county reduced its scope to 34 locations after initial LTAC funding limits. Because Idaho Transportation Department bidding practices produced a construction estimate of about $880,000, Road & Bridge must pay a 7.34% local match to move the project into construction. Mulder said construction engineering, foundations, and other line items drove the high estimate and the county expects actual bid prices to be lower. The board approved the state/local agreement for project key 203286 and the $57,413 match payment to enter the construction phase.
Why it matters: The procurement votes commit county funds and contracts that affect road maintenance, winter operations and short‑term budgets; the intersection safety project aims to reduce accidents at locations where failure to stop has been a factor, including two recent fatal crashes described by Road & Bridge staff.
In supporting discussion, commissioners expressed concern about the high construction estimate but noted LTAC contribution would cover about 92.66% of the estimated cost and said they expect final costs to be lower. Mulder told the board the county would receive a refund of match funds if final construction costs come in below the estimate.
Votes at a glance: motions to advertise the magnesium chloride bid and to award the three rock‑crushing contracts passed on roll call votes (aye votes recorded as Yes; roll calls recorded three affirmatives). The motion to approve the state and local agreement for project key 203286 and make the final match payment of $57,413 also passed on a roll call vote.
