North Tongass Bridge Improvements – Waterfall Creeks

Posted on November 10, 2020 by proHNS

Location: Ketchikan, AK Project Dates: 2019 Owner: AK DOT&PF This federally funded project removed and replaced the first Waterfall Creek Bridge (#0414) and Second Waterfall Creek Bridge (#0415), regraded and repaved bridge approaches, improved drainage, relocated utilities, and installed new guardrails and signs. proHNS Engineering Technicians tested aggregates, concrete, and asphalt paving both in the field and in the DOT&PF laboratory, and simultaneously performed constructio...

Ketchikan Airport Creek Bridge Replacement

Posted on November 10, 2020November 10, 2020 by proHNS

Location: Ketchikan, AK Project Dates: 2019 Owner: AK DOT&PF This FHWA-funded AK DOT&PF project replaced an existing temporary bridge structure across Airport Creek on Lewis Reef Road with a new, two-lane concrete bulb tee girder bridge with a finished width of 39 feet. Improvements included realignment of Lewis Reef Road and modifying the approach intersection of Bostwick/Seely Road. The concrete bridge abutments were Cast-In-Place (CIP) atop steel H-piles rock socketed into be...

Front/Mill/Stedman Street Improvements

Posted on November 13, 2018 by proHNS

Location: Ketchikan, AK Project Dates: 2018 Owner: AK DOT&PF For this multi-street project, our Materials Testing Technician tested aggregates, concrete, and asphalt paving both in the field and in the DOT&PF laboratory. They also performed construction inspection duties, filling out daily reports and coordinating directly with the DOT&PF Project Engineer. In an effort to extend the road’s life in high-traffic areas, the Contractor used Superpave asphalt for the wearing cour...

Evergreen Road Improvements

Posted on November 13, 2018November 13, 2018 by proHNS

Location: Wrangell, AK Project Dates: 2018 Owner: AK DOT&PF proHNS provided office engineering and materials testing for this project that constructed a sidewalk along the ocean side of Evergreen Road and rehabilitated the existing asphalt pavement. Specific work items included installation of six Mechanically Stabilized Earth (MSE) walls constructed of concrete block and geogrid layers, totalling roughly 4,500 square feet; one reinforced soil slope constructed of layers of borrow s...