Bridge & Dam

10 August 2017

South Bristol Main Single-Leaf Bascule Bridge

Nuttall Gear Custom Gearbox for Single-Leaf Bascule Bridge

A new bridge that spans “The Gut” channel in South Bristol, Maine was recently opened to vehicle and boat traffic. The original, historic 82-year-old swing bridge had reached the end of its useful life as it occasionally got stuck in the open or closed position.

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05 July 2016

Single-Leaf Bascule Lift Bridge Fort St Bridge

Nuttall Gear Custom Heavy-Duty Speed Reducers for Single-Leaf Bascule Lift Bridge

Originally built in 1922, the Fort Street fixed-trunnion bascule bridge in Detroit, Michigan allows large cargo ships to travel the Rouge River while transporting material to the nearby Ford Motor plant. The double-leaf bascule design utilized below-deck counterweights to raise and lower the two roadway leaf/sections.

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08 January 2015

Single Leaf Bascule Lift Bridge for Two Rivers

Nuttall Gear Custom Reducer for Single Leaf Bascule Lift Bridge

The 17th Street double leaf bascule lift bridge in Two Rivers, Wisconsin has been in operation since 1949, allowing the local commercial fishing fleet access to Lake Michigan via the East Twin River.

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14 October 2014

Nuttall Gear Moveable Bridge Gearboxes

Nuttall Gear Improves Processes & Capabilities to Support the Growing Need for Moveable Bridge Gearboxes

Over the past decade, infrastructure engineers have been cautioning municipalities and governing bodies across the U.S. about the deteriorating condition of the country’s bridges and dams. The average age of the 609,380 bridges in the U.S. is now nearly 42 years old.

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28 August 2014

Hines Memorial Swing Bridge Open and Closing

Nuttall Gear Custom-Designed Gear Drives for Swing Bridge

Originally built in 1882, the Hines Memorial bridge crosses over the Merrimack River between Amesbury and Salisbury, MA. The bridge features a swing span section which pivots to allow passage of barge and boat river traffic. The Massachusetts Dept. of Transportation commissioned a comprehensive redesign and rebuild of the bridge which was completed in 2012.

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