top of page



Upper Bulkhead Replacement

Vashon Island, WA - 2021


Trowbridge was the designer and prime contractor on 80' of bulkhead located on a critical slope on Vashon Island.


Dock Rebuild

Lake Tahoe - 2021

Designed and built by Trowbridge Innovations.

40' fixed residential pier​

pier with sleeves.webp

Fixed pier and floating dock replacement

Washington - 2020

Designed and built by Trowbridge Innovations.

25' fixed residential pier​ with a 30' section of floating dock.

Snapjacket Pile Sleeve Installation

South Puget Sound, WA - 2019

Installation of Snapjacket Pile sleeve and Trowbridge's underwater grout to repair, protect, and strengthen the piles supporting a fixed pier. 

dock replacement.webp

Residential Dock Replacement

Lake Washington - 2021

Trowbridge designed and built this section of a residential dock after sleeving the existing pilings.

bottom of page