The 30-Year Journey from Poor to Fair – The Transformation of One Bridge System in Northwest Pennsylvania

摘要

This paper will showcase PennDOT District 1’s bridge system from 1982 to the present. The bridge system in northwest Pennsylvania has been transformed from poor to fair in 30 years despite the harsh climate, increasing environmental requirements, generally poor foundation material and other challenges. The rehabilitation and replacement strategies, technology, construction techniques and materials used to make this transformation will be highlighted and explained.