Debris Photographic Archive and Supplemental Materials for NCHRP Report 653

TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 148: Debris Photographic Archive and Supplemental Materials for NCHRP Report 653 includes the debris photographic archive, the survey questionnaire and list of respondents, and the report on the field pilot study related to development of NCHRP 653.

NCHRP Report 653: Effects of Debris on Bridge Pier Scour explores guidelines to help estimate the quantity of accumulated, flow event debris, based on the density and type of woody vegetation and river bank condition upstream and analytical procedures to quantify the effects of resulting debris-induced scour on bridge piers.

Appendices A and B to Web-Only Document 148 are available for download from TRB’s website as ISO images. Links to the ISO images and instructions for burning a CD-ROM from an ISO image are provided below.

Help on Burning an .ISO CD-ROM Image

Appendix A - Debris Photographic Archive
Appendix B - Questionnaire Responses Database

(Warning: These are large files that may take some time to download using a high-speed connection.) https://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_653.pdf