Timber Articles

Timber Takes the Stage

http://www.bridgeweb.com/magazine/FeatureDetails.cfm?ArticleID=455

Russell, Helena, 2003

An article from the world's leading international bridge industry information source describes how timber has become more commonplace in one European country, where engineers are designing what is believed to be the largest timber bridge in the world.

CCA Treated Wood Fact Book

http://www.ybc.com/images/011002factbook.pdf

The Treated Wood Council

This booklet provides an overview of the benefits of using CCA-treated wood.  It also contains extensive research regarding the safety and environmental benefits of CCA-treated wood.

Recycled Wood/Plastic Composite Lumber

http://www.toolbase.org/tertiaryT.asp?DocumentID=2059&CATEGORYID=1505&TRACKID =

Toolbase services – The Home Building Industry's Technical Information Resource

This article presents information about and an evaluation of Recycled wood/plastic composite lumber, a composite that is being used more frequently in the construction industry.

2002 National Timber Bridge Awards

http://www.apawood.org/level_b.cfm?content=prd_glu_main

APA - The Engineered Wood Association

Click to download the 2002 National Timber Bridge Awards brochure. The Bridges represent unique Timber Bridge designs across the nation.

Timber Bridges in the United States

http://www.tfhrc.gov/pubrds/winter97/p97wi32.htm

Duwadi, Sheila and Ritter, Michael, 1997

A comprehensive historical review of timber bridges, including an overview of the technology that goes into bridges today.

Comparison of Wood Preservatives in Stake Test, US Forest Service

http://www.fpl.fs.fed.us/documnts/fplrn/fplrn002.pdf

US Forest Service

Gutzmer, D., Crawford, D., 1995

This document updates information about the durability of wood, mainly Southern Yellow Pine, treated with various preservatives.  Researchers observe that throughout 60 years of testing, CCA treated test stakes have outperformed other test stakes under various conditions.

Timber Bridges: An Attractive Budget Solution

http://www.greenmediaonline.com/gr/2002/0204/0204smb.asp

Golfscape Resources Magazine

Humphreys, Mark, 2002

This article offers a handy guide to cutting costs and enhancing the long-term value of your timber bridge. 

Pre-Designed Timber Bridges of Three Types for Arkansas County Roads

http://ntl.bts.gov/DOCS/comb1057.html

The University of Arkansas

Pleimann, Dr. Larry G., Riley, Gregory R.

This paper illustrates how simple span timber bridges can provide a durable, cost-effective solution to the thousands of deteriorating bridges on rural routes and secondary roads throughout the United States.  In their conclusions, the authors note that, "With proper attention to proper construction, adequate pressure treatment, and proper maintenance such a (simple span timber) bridge could well last 75 years or more."