Acknowledgments

For reviewing the manuscript:

Gary Jakovich, U.S. Department of Transportation Federal Highway Administration

Eric Johansen, E.T. Techtonics, Inc.

Cam Lockwood, Trails Unlimited

Kathie Snodgrass, Missoula Technology and Development Center

Brian Vachowski, Missoula Technology and Development Center

Jim Wacker, Forest Products Laboratory

Dan Witcher, Strongwell

For assistance with bridge inspections:

David E. Michael, Tahoe National Forest

Randall K. Nielsen, Wallowa-Whitman National Forest

Marcia J. Rose-Ritchie, Medicine Bow-Routt National Forests

Kathryn Van Hecke, Pacific Northwest Region

For photos used in this report:

Trails Unlimited, E.T. Techtonics, Inc., and Strongwell