A recent CoatingsPro Magazine feature highlights the Harbor Channel Bridge Improvements project in Kodiak, a critical infrastructure upgrade that included metallizing the bridge superstructure to enhance durability and corrosion resistance in harsh coastal conditions. R&M provided construction administration services for the project on behalf of the Alaska Department of Transportation & Public Facilities (DOT&PF).
R&M’s services included project engineering, field inspections, materials testing and office engineering throughout construction. The broader project scope involved pavement milling, hot mix asphalt paving, updated signage and striping and extensive drainage improvements, in addition to bridge deck repairs and metallization. The metallizing process, which coats steel with zinc, plays a key role in protecting infrastructure from long-term environmental wear, especially important in Kodiak’s marine environment.
These improvements extend the service life of the Harbor Channel Bridge and enhance safety and mobility for local residents, commercial traffic and emergency services. As a vital connection between downtown Kodiak and the harbor and commercial entities on Near Island, this corridor supports daily community life and the local economy. R&M’s work helped ensure construction quality, while minimizing disruptions to the traveling public during the busy summer construction season.
In addition to the article, an on-demand webinar is available detailing the metallizing process used on this project. The presentation covers the application of a thermal spray zinc coating to an in-service duplex metallized bridge and the challenges faced during construction, including material delivery delays, supply chain issues during COVID, fluctuating weather and wind speeds up to 140 mph.
- Read the article: The Last Frontier: Prepping, Metalizing and Sealing
- Watch the webinar: Thermal Spray Zinc Duplex Case Study
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