Concrete Takes the Heavy Load at New Cordelia Truck Scales

New $243-million I-80 facility puts durable concrete pavement to work in one of the most demanding environments imaginable.

There are heavy-duty applications for concrete pavement. And then there are truck scales.

Near Fairfield, California, construction is underway on a new commercial vehicle enforcement facility along westbound Interstate 80 that will eventually be capable of inspecting as many as 1,000 trucks per hour, 24 hours a day, seven days a week.

For pavement, that means a steady diet of heavily loaded trucks braking, accelerating, maneuvering at low speeds and, at inspection points, bringing their full static loads to bear on essentially the same areas of pavement hour after hour.

It is precisely the kind of environment where concrete pavement earns its keep.

The $243-million Cordelia Truck Scales Improvement Project is replacing a westbound facility that dates to 1958. The existing scales accommodate only 500 to 700 trucks per day and include two dynamic scales, one static scale, four inspection bays and limited parking.

The limitations of the old facility extend well beyond its age. Short entrance and exit ramps can cause trucks to queue onto I-80, increasing the potential for rear-end crashes. During particularly heavy periods, the facility must be closed to incoming trucks simply to prevent that queue from spilling onto the freeway.

Built for the Trucks of Today and Tomorrow
Located approximately 0.7 mile east of the existing facility, the new Cordelia Commercial Vehicle Enforcement Facility will have a braided off-ramp and entrance-ramp connection with westbound I-80, along with direct access from westbound State Route 12. Inside, the transformation is even more substantial.

The facility will feature seven covered inspection areas capable of accommodating long vehicle combinations, elevated structures allowing inspectors to examine the upper portions of trucks, weigh-in-motion scales capable of sorting truck traffic into appropriate lanes along the approach roadway, and at least four sets of scales to accommodate separate lines of empty and loaded trucks.

Instead of processing hundreds of trucks over an entire day, the new facility is designed to process up to 1,000 per hour.

All of those trucks eventually meet the pavement. And that makes pavement performance particularly consequential.

A Punishing Pavement Environment
Truck-scale pavement experiences loading very differently from an ordinary stretch of highway.

On the freeway, a truck’s load moves across the pavement at highway speed. Inside an enforcement facility, that same truck slows, brakes, turns, queues, stops on scales and inspection areas, and accelerates again. Those movements impose substantial forces on pavement repeatedly in many of the same locations.

According to Mehdi Parvini, PhD, PE, PMP, Caltrans Senior Transportation Engineer, those operating conditions were central to the pavement recommendation.

“The primary factors driving the recommendation for rigid pavement at the Cordelia Truck Scales Improvement Project were the heavy volume of truck traffic, significant shear forces resulting from frequent stop-and-go movements, and the risk of potential oil spills.”

Together, Parvini said, those factors made clear that concrete pavement could provide the durability and resilience demanded by the facility.

That durability will be particularly important at a facility specifically designed to operate continuously while processing an extraordinary concentration of commercial truck traffic.

Built to Stay in Service
The concrete pavement at Cordelia doesn’t merely have to withstand heavy loads. It needs to do so year after year without unnecessarily interrupting the enforcement operation taking place above it.

Taking pavement out of service for recurring rehabilitation would surrender some of the very capacity the new facility is being built to provide. At an operation designed to function around the clock and process as many as 1,000 trucks per hour, pavement maintenance can have consequences well beyond the pavement itself.

Parvini said concrete’s long-term performance further supported the pavement recommendation.

“Beyond these specific criteria, concrete pavement offers substantial long-term benefits, including a longer service life and reduced maintenance requirements compared to other pavement types.”

“These advantages further support the decision to use rigid pavement for the facility,” he added.

The result is a pavement choice that addresses both sides of the equation: the unusually severe loading conditions of the truck-scale environment today and the need to keep the facility operating reliably for decades to come.

Concrete Paving Underway
Kiewit Infrastructure West Co. is constructing the project, with concrete paving operations now visibly taking shape at the site. Project information identifies continuously reinforced concrete pavement and heavy-duty jointed plain concrete pavement among the pavement applications.

Recent photos from LIUNA Local 324, at the head of this article and above, show the Kiewit crews placing and finishing concrete behind a GOMACO slipform paver, providing an early look at pavement that will ultimately carry an extraordinary concentration of commercial truck traffic.

The project’s use of concrete extends beyond pavement. The scope also includes driven concrete foundation piles, retaining walls, and concrete inspection pits within the seven covered truck inspection bays.

Construction began in August 2025, with completion tentatively scheduled for December 2029.

When finished, the new Cordelia facility will be almost unrecognizable compared with the 1958 truck scales it replaces: vastly greater capacity, modern inspection technology, safer freeway access, and an operation designed around the freight demands of one of Northern California’s most important transportation corridors.

Beneath all that technology will be something decidedly less glamorous but every bit as important: A lot of concrete built to take a lot of trucks.