With such a large number of bridges requiring attention and available funds decreasing while maintenance costs are increasing, it becomes important to improve or identify the best currently-used maintenance methods for timber substructures.
Iowa Highway Research Board, Iowa Department of Transportation
Phares, Brent M.; White, David J.; and Dahlberg, Justin M., "Timber Abutment Piling and Back Wall Rehabilitation and Repair" (2012). Tech Transfer Summaries. 21.