Initiatives to Reintroduce Timber Bridges in the United States of America

摘要

This report covers topics on the reintroduction of timber bridges in the USA - covers: (1) the national bridge inventory process (2) condition of timber bridges on national roads and in national forests (3) inspection, maintenance and repair activities (4) technology transfer in this field (5) Pennsylvania standard low-cost bridges (6) bridge requirements in rural areas.