Cold cities in the United States are mixing beet juice, molasses, and agricultural by-products with salt to melt ice, protect bridges from corrosion, and reduce the environmental impact on rivers and lakes.

Written by Flavia Marinho

Published on 29/05/2026 at 14:29

Updated on 29/05/2026 at 14:30

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Cold cities in the United States are using beet juice, molasses, and agricultural by-products mixed with salt to melt ice more efficiently, protect bridges and overpasses from corrosion, and reduce environmental impact on rivers and lakes, ensuring safer roads and sustainable solutions for winter transportation.

In various cold cities in the United States, new salt formulas with biological additives are being used to facilitate ice removal from highways. The combination of beet juice, molasses, and glycerol helps the salt adhere better to the asphalt, melt ice faster, and reduce the use of chlorides that harm bridges and rivers.

The initiative directly impacts urban maintenance and traffic safety, offering environmental benefits and economic advantages, as the corrosion of structures and pollution of water bodies are minimized.

Why common salt harms bridges and rivers

Traditional road salt contains chlorides that damage metals, concrete, and asphalt and also affect aquatic life. Continuous use of chlorides in watercourses can lead to contamination of aquifers and increased salinity in rivers and lakes, causing environmental imbalances.

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How beet and molasses are included in the mix

Byproducts of sugar beet refining and molasses can be incorporated into salt to form ice melting solutions with a renewable biological base. These additives increase the adhesion of salt to asphalt, allowing it to work even at very low temperatures and reducing the amount of chloride needed.

Additionally, glycerol, a byproduct of biodiesel production, is included to reduce early freezing of salt and accelerate melting, making roads safer for vehicles and pedestrians.

What reducing chloride means

Reducing the amount of chlorides applied on highways decreases the corrosion of bridges and viaducts and preserves the ecological balance of nearby rivers and lakes. At the same time, it maintains efficiency in ice removal and road safety.

The use of biological additives also helps to save public resources, as the need for replacement of damaged infrastructure is lower.

additives increase the adhesion of salt to asphalt — Additives increase the **adhesion of salt to asphalt**

Why each city needs to test its own formula

Each municipality faces different weather conditions and types of asphalt, making it essential to customize the formulas. The University of Alaska Fairbanks, a research center in sustainable transportation in cold climates, conducts tests with agricultural byproducts and other local additives to create solutions adapted to the reality of each region.

Washington State University, an institution of education and research in civil and environmental engineering, provided numbers and analyses on the performance of these additives on roads in the American Northwest, showing that results vary according to soil composition, temperature, and humidity.

Practical impacts for drivers and cities

The use of biological additives in salt allows for safer roads, fewer accidents, and less environmental damage. It also contributes to more efficient maintenance management, reducing costs and improving the durability of bridges and viaducts.

By adapting the mixture to local conditions, each city can maximize the effect of melted ice and reduce the use of harmful chemicals, benefiting drivers and the environment.

Clean and safe roads, protected bridges, and less pollution of rivers and lakes show that innovation can transform the way we deal with winter, making road maintenance more sustainable and efficient.

Have you ever imagined how cleaner and more sustainable roads can change the safety of your journey in winter?

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Cold cities in the United States are mixing beet juice, molasses, and agricultural by-products with salt to melt ice, protect bridges from corrosion, and reduce the environmental impact on rivers and lakes.

Why common salt harms bridges and rivers

How beet and molasses are included in the mix

What reducing chloride means

Why each city needs to test its own formula

Practical impacts for drivers and cities

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Cold cities in the United States are mixing beet juice, molasses, and agricultural by-products with salt to melt ice, protect bridges from corrosion, and reduce the environmental impact on rivers and lakes.

Why common salt harms bridges and rivers

How beet and molasses are included in the mix

What reducing chloride means

Why each city needs to test its own formula

Practical impacts for drivers and cities

Engineers want to carve through Africa with a giant canal to bring water from the world’s second-largest river to a dying lake on the edge of the Sahara Desert that has already lost 90% of its water.

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